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Gleeble WEbinar Series 

An interactive online meeting place for researchers to discuss how the Gleeble can help solve material challenges. 

 

 

As we all adapt to the challenges of working remotely, it is important to stay connected. To better support and empower Gleeble users, DSI is hosting a series of interactive Gleeble discussions. We invite you to join us.

Each webinar will focus on different topics, ranging from specific training and best practices to applications and research presentations. Our goal will be to keep each meeting under an hour with a short presentation by one of our experts, followed by Q&A if time permits.

We look forward to connecting with you soon.  If you have any questions, or ideas for topics that you would like covered during a webinar, please don't hesitate to contact us. (info@Gleeble.com)

 
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Upcoming Webinars:

# Date  Topic  Link
Episode 28 Thursday, Nov. 5, 2020
(8am NY/East Coast)

Applications of the Gleeble as an all-around tool to address physical and mechanical metallurgy questions

Presenter: Benjamin Adam, Portland State University

button click here to register

 

Past Webinars:

# Date  Topic  Link
Episode 27 Thursday, Oct. 29, 2020

Aluminum Alloys: from Processing to Service

Presenter: Assoc. Prof. Dr. Cecilia Poletti, 
Graz University of Technology - Institute of Materials Science, Joining and Forming

High-performance aluminum-based products require the use of many and different industrial routes. Aluminum alloys are used in lightweight components, packaging and structures due to their high specific strength and stiffness, as well as their high corrosion resistance. They can also be creep resistant at moderate temperatures. The alloys undergo complex processing paths to become a product. Once the product is in service, they support thermal/mechanical static or cyclic loads. Whether during production or in service, the exposure of the alloys to thermal and mechanical loading modify their microstructure. Furthermore, the performance of the material is a function of its microstructure. In this webinar, Dr. Poletti will give an overview of 1) thermo-mechanical testing at the laboratory scale to understand and describe the interrelation of microstructures and loads, and 2) the use of these findings to design high-performance products.

 

Click here to download a PDF of the presentation. 

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Episode 26 Thursday, Oct. 22, 2020

Material Characterisation and Forging Simulations Focused on Workpiece Forming Behaviour and Tool Fatigue 

Presenters: Mr. Dipl. Ing. Maiwand Hootak and Mr. Christoph Kock, M. Sc.
Institute of Forming Technology and Machines, Leibniz Universität Hannover,  Department of Material Characterisation and Simulation

The use of modern production techniques and innovative processes as well as the pursuit of future-oriented solutions characterise both large and increasingly small and medium-sized companies.

As a practice-oriented institute, the IFUM is concerned not only with basic research but also with the investigation of current problems in forming technology from industry. The philosophy of the IFUM is to take a holistic view of the processes. In a forging process, for example, both the flow behaviour of the workpiece as well as the service life of the tools are of particular importance. Over the last decades, FE simulation has proven to be a helpful tool for process analysis and optimisation. Particularly the material data used for the simulations have a decisive influence on the quality of the simulation. The Gleeble 3800 as an all-rounder in the field of material characterisation, on the one hand enables the flow properties of the workpiece material to be recorded. These can be determined for wide temperature ranges and under consideration of the forming speed. On the other hand, the fatigue behaviour of the tool material can be investigated closely related to the real physical loads. Of particular importance in the field of forging are not only mechanical low cycle fatigue (LCF) effects, but also thermo-mechanical fatigue (TMF) effects in which mechanical and thermal loads are superimposed.

 

Click here to download a PDF of the presentation. 

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Episode 25 Thursday, Oct. 15, 2020

Enhancing Gleeble Simulations using Digital Image Correlation Tools

Presenters: Dan Quigley, David "Jake" Jacon, and Julius Walls from DSI will be joined by Tim Schmidt from Trilion to provide an overview of how Digital Image Correlation (DIC) can be used in conjunction with the Gleeble to add value to tests and simulations. 

 

Click here to download a PDF of the presentation. 

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Episode 24 Thursday, Oct. 8, 2020

Using Gleeble Simulations to Support Industrial Steel Manufacturing Processes

Presenter: Evgueni Poliak PhD | Scientist, Process and Control
ArcelorMittal East Chicago - Global Research & Development

The presentation will cover various simulations performed at an industrial R&D center of a large steel producing company and to illustrate how the results of these simulations can be utilized to assist steel production.

 

Click here to download a PDF of the presentation. 

 

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Episode 23 Thursday, Oct. 1, 2020

Research on Designing Materials from Room Temperature to High Temperature Applications; Contribution of Gleeble Experiments

The national Thermo-Mechanical and Tribology Infrastructure (TMTEST) at Luleå University of Technology (LTU) has been set up in 2016 with support from Swedish Foundation of Strategic Research, Kempestiftelserna and Luleå University of Technology. The TMTEST infrastructure has been strengthened further with the addition of Gleeble 3800. During the webinar, we will introduce the research activities at Engineering Materials on the development of high temperature materials and contribution of Gleeble 3800 on enhancing our understanding of the microstructure-property relationship with process manufacturing applications for steels and high entropy alloys in continuous casting, stamping, welding, additive manufacturing and/or sintering processes. The research group will present the following topics during the webinar.

  • Microstructure-tailored stainless steels with high mechanical performance at RT, intermediate and elevated temperature, presented by Farid Akhtar

  • Study of crack susceptibility of micro-alloyed steels during continuous casting, presented by Rosa Maria Pineda

  • Implementation of "quenching and partitioning" methodology directly after hot stamping and laser welding, presented by Farnoosh Forouzon


Click here to download a PDF of the presentation. 

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Episode 22 Thursday, Sept. 24, 2020

Hot Forming Process Simulator: Using Gleeble for Building Microstructure Aided Processing Maps and Constitutive Equations

Dr Jinghua Zheng from Imperial College, in the Metal Forming Group in the Mechanical Engineering Department, who has long-standing interests in developing novel metal forming processes, will present her work using the Gleeble to simulate the hot stamping process of aluminium alloy. The presentation will include case studies, including  (i)identification of high-temperature transfer effects during hot stamping on microstructure and mechanical properties, (ii) building processing maps for property control of the hot-stamped components, (iii) material modelling based on both viscoplastic behaviour and the associated microstructures. 

 

Click here to download a PDF of the presentation. 

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Episode 21 Thursday, Sept 17, 2020

Flow Localization Studies in Titanium Alloys

Presenter: Ricardo Henrique Buzolin, Graz University of Technology

Description:  During thermomechanical processing, flow instability leads to further damage in the alloy. Flow defects mainly include adiabatic shear band, wedge crack, void, and flow localization, and the flow localization is sensitive to the processing conditions, preferably observed for high strain rates, low temperature and very large strains. In order to obtain optimized processing parameters for industrial processing, these defects should be predicted and controlled.

Flow models developed for Titanium alloys were developed and validated using hot compression and hot torsion experiments with a Gleeble. Additionally, a special geometry was designed to promote flow localization during hot compression. This design can cause severe plastic deformation, i.e., high strain rate and localized strain on the sample and be used to investigate the flow localization in Titanium alloys. The flow localization parameters were programmed in a Fortran subroutine and implemented into FEM simulation to predict flow localization during the hot deformation.

 

Click here to download a PDF of the presentation. 

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Episode 20 Thursday, Sept. 10, 2020

Improving Steel Processing Through Thermo-Mechanical Simulation Studies

Description: Dr. Vinod Kumar, Chief General Manager at Steel Authority of India Limited (SAIL) and long-time Gleeble user is a leading member of the Gleeble community in India and beyond. Dr. Kumar will discuss key applications including continuous casting, hot rolling and strip annealing. His presentation will include examples from both lab-based and production-based studies. Dr. Kumar and his team have a long history of successfully supporting the steel and manufacturing industry, academics and research organisations in India and have used the Gleeble to drive innovations in steel product development, process optimization, yield improvement and failure analysis.

 

Click here to download a PDF of the presentation. 

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Episode 19 Thursday, Sept. 3, 2020

Real-Time In-Situ Sensing of Microstructure Evolution using Laser Ultrasonics (LUMet) during Gleeble Simulations

Description: Dr. Thomas Garcin and Dr. Brian Allen will present an overview of the laser ultrasonic system that can be coupled with a Gleeble. Laser-ultrasonics is a technology that enables non-contact ultrasonic measurements, using lasers to generate and detect ultrasound pulses. Unlike other ultrasonic technologies, it can be used on hot materials up to any temperature because there is no physical contact. Therefore, it is ideally suited for in-situ studies of solid metallic or ceramic materials up to their melting point.

Days and weeks of metallurgical studies yielding a few measurements on quenched samples can often be replaced by a single in-situ laser-ultrasonic test, yielding hundreds of measurements in real time. Including in-situ measurement of recrystallization, grain growth, grain size, phase transitions and elastic constants.

 

Click here to download a PDF of the presentation. 

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Episode 18 Thursday, August 27, 2020

Welding Research at University West – A Gleeble based testing approach to assess weld cracking of Ni-based superalloys

Presenter: Dr. Joel Andersson, University West

Description: This talk will present the University West research group on welding, the largest research group in Sweden, and will also touch base on fabrication aspects regarding superalloys. Fabrication and welding of structural components for the hot section of aero-engines continues to be of high importance to the manufacturing industry of aero-engines. This webinar addresses weldability aspects and specifically hot cracking and strain age cracking, cracking phenomena that can occur during welding or subsequent heat treatment of precipitation hardening Ni- and Ni-Fe-based superalloys. The influence of chemical composition in terms of i.e. hardening elements and impurities, microstructure of base material and weld zone, together with welding processes and corresponding parameters and heat input are discussed and related to the cracking susceptibility of different precipitation hardening Ni- and Ni-Fe- based superalloys.

 

Click here to download a PDF of the presentation. 

 

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Episode 17 Thursday, August 20, 2020

Laboratory Supported Technology Development for Metal Forming

Presenter: Dr.-Ing. Grzegorz Korpała,  TU Bergakademie Freiberg

Description: When developing new products, the option to try out the innovative idea on a small scale is crucial. In metal processing, the chain from the melt to the finished product is long and has many process parameters. It is impossible to try them all, and the decision-makers in industrial production are often only able to draw on their experience when developing new technologies. An alternative is the evaluation and validation utilizing small scale experiments - through experimental simulation using Gleeble test equipment.

With data from experiments and microstructure analysis, new processes can be designed efficiently and effectively. Using the example of high-strength low-alloyed steels with retained austenite, we will present the advantages of Gleeble equipment in evaluating various process parameters along the entire production chain. These include the temperature ranges of continuous casting, the hot rolling strategy and temperature control during cooling. The developed technology was tested in a pilot plant in laboratory scale and then implemented in large-scale production. The successful project resulted in a patent and will be discussed during the webinar. 

 

Click here to download a PDF of the presentation. 

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Episode 16 Thursday, August 13, 2020

Special Devices, Features and Programming Applications for the Gleeble Platform

Description: Dr. Péter Bereczki from the University of Dunaújváros has worked with the Gleeble for years and will present several unique testing procedures and share some of the research work he and his team are performing. Topics will include:

> New features and devices: 3-point bending application with crack displacement and strain field tracking
> Enlarged uniaxial compression tests to model the microstructure evolution during the early stage of reversing hot rolling of aluminum alloys
> New programming applications: Enhanced control program to perform accurate strain and strain rate for multiaxial forging on MaxStrain

 

Click here to download a PDF of the presentation. 

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Episode 15 Thursday, August 6, 2020

The Gleeble at X-Ray Scattering and Thermo-Mechanical Simulation (XTMS) Beamline – Brazil

Description: Professor Julian Arnaldo Avila Diaz from São Paulo State University (UNESP) has experience using the Gleeble installed in the experimental beamline XTMS at the Brazilian Synchrotron Light Laboratory (LNLS). He will discuss his experience using this equipment to study the phase transformation of select steels and summarize the capabilities of the facility. Prof. Ávila will also review some published works and will talk briefly about the plans of a group of researchers for a new beamline at the recently built synchrotron source at the LNLS, Sirius.

 

Click here to download a PDF of the presentation. 

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Episode 14 Thursday, July 30, 2020

Forming and hot stamping operations with presentations from FAU Erlangen and Imperial College London 

Material Characterisation for Improved Process Layout of Forming Operations
Engineer Prof. Dr.-Ing. habil. Marion Merklein, FAU, Erlangen
Description: Professor Marion Merklein is head of the Institute of Manufacturing Technology (LFT) at the Friedrich-Alexander-Universität Erlangen-Nürnberg in Germany and has many years of experience with Gleeble systems. In her presentation, she will give a comprehensive overview of the possibilities for using temperature-dependent material characterisation in sheet metal and bulk metal forming. The temperature-dependent material behaviour can be modeled based on experimental material parameters, which improves numerical analysis and therefore process design. One of the current research topics at the institute is the investigation of correlations between the process temperature and the forming behaviour of high strain hardening materials for the manufacturing of self-piercing rivets. Another focus is on the characterisation of boron-manganese steel alloys for improving the design of hot stamping processes. In particular, the measurement of phase transformation is a key factor, which is analysed by the LUMet system.

Characterisation of Thermal-Mechanical Properties of Materials at Hot Stamping Conditions 
By Professor Jianguo Lin and Dr Zhutao Shao, Imperial College London 
Description: Over the last 10 years, Prof Lin’s team at Imperial College London has developed new experimental methods using the Gleeble to characterise thermal-mechanical properties of materials at hot stamping conditions. In this webinar, Prof Lin will present case studies on how Gleeble and innovative fixtures are used to generate thermal-mechanical data of materials, including stress-strain curves and forming limit diagrams at high temperatures, by uni-axial and multi-axial tests under hot stamping conditions. The uniformity of temperature control and the accuracy of data collection and data post-processing will also be discussed.

 

Click here to download a PDF of Prof. Merklein's presentation. 

Click here to download a PDF of Prof. Lin and Dr. Shao's presentation. 

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Episode 13 Thursday, July 23, 2020

Guest Speaker Prof. Damien Fabrègue: Phase Transformations in Metallic Alloys and Gleeble Case Studies

Description: Guest speaker Professor Damien Fabrègue from INSA Lyon in France has been using the Gleeble for 20 years and has completed very innovative work using the Gleeble platform. Damien shared some of his experiences and research with the Gleeble, including two case studies - one on the thermo-mechanical process to develop a new bainitic steel - as well as an example of recrystallization in steels using the MAXStrain Mobile Conversion Unit.

 

Click here to download a PDF of the presentation. 

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Episode 12 Thursday, July 16, 2020 

Gleeble Community Frequently Asked Questions and Panel Discussion

Description: The DSI team reviewed frequently asked questions and discussed common themes related to Gleeble simulations. The panel reviewed past questions from webinars as well as common questions posed to our technical team. 

 

Click here to download a PDF of the presentation. 

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Episode 11 Thursday, July 9, 2020

Gleeble Casting and Semi-Solid Processing Simulations

Description: Dr. Wayne Chen, a longtime Gleeble user and expert provides an overview of physical simulation of casting processes that are possible in the Gleeble as well as offers best practices and recommendations. Dr. Chen reviewed industrial casting processes, casting simulation techniques, castability map development and the simulation of the continuous casting and direct rolling process.

 

Click here to download a PDF of the presentation. 

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Episode 10 Thursday, July 2, 2020

Using the Gleeble to Study Cracking in Welds - Guest Speaker: John C. Lippold, Professor Emeritus The Ohio State University, Columbus, OH USA

Description: The “Gleeble” was originally developed to study metallurgical behavior and cracking associated with the heat-affected zone (HAZ) of welds. The hot ductility test was developed in the 1950s and is still widely used today to study liquation-related and solid-state cracking in the HAZ of structural materials. This presentation briefly reviewed the basic mechanisms that cause cracking in welds and highlighted tests developed using the Gleeble that can be used to evaluate susceptibility to these forms of cracking. Specifically, the 1) hot ductility, 2) strain-to-fracture, and 3) reheat cracking tests were described.

 

Click here to download a PDF of the presentation. 

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Episode 9 Thursday, June 25, 2020 

Gleeble Webinar Series - Guest Speaker Dr. Carl Slater from WMG on Gleeble Case Studies at Warwick

Description: Episode 9 in the Gleeble Webinar Series featured a guest presentation by Dr. Carl Slater from the University of Warwick, UK. Dr. Slater provided an introduction to the Advanced Steel Research Centre, and presented a range of case studies on how Gleeble systems fit within their rapid alloys production suite and how they use Gleeble equipment to simulate the steel making process. Case studies range from next generation ultra-high temperature forming/forging, liquid inclusion - liquid steel deformation, recrystallisation optimisation and understanding the impact of aspects such as segregation on downstream processing.

Additionally, Dr Slater shared some of the modelling and past experiences that help get the most out of Gleeble systems and allows high quality metallurgical assessment of samples post-deformation.

Dr. Slater is a Senior Research Fellow in the Advanced Steel Processing Group at the Warwick Manufacturing Group (WMG) at the University of Warwick, UK and has been working with Gleeble systems for over 10 years. WMG currently operates a Gleeble HDS-V40, a Gleeble 3800 as well as Torsion and Strip Annealing Mobile Conversion Units (MCUs).

 

Click here to download a PDF of the presentation. 

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Episode 8 Thursday, June 18, 2020

Episode 8 - Gleeble Strip Annealing Capabilities  

Description: A review of strip annealing applications and simulations possible in the Gleeble and how these can be used to speed product development, optimize chemistry, minimize scrap and secondary, improve scheduling, and even develop processing to salvage off-chemistry or miss-processed coils. Dr. Brian Allen reviewed the current testing options available including the "2-Inch Strip Annealing" fixture in our General Purpose Mobile Conversion Unit (MCU) as well as the "Large Sample Strip Annealing MCU". Additionally, Brian discussed the new Gleeble 525 Strip Annealing Simulator which is a dedicated strip annealing simulator built on the new Gleeble 500 series platform.

 

Click here to download a PDF of the presentation. 

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Episode 7  Thursday, June 11, 2020

Gleeble Hot Rolling and TMCP Studies

Description: The knowledge of parameters such as roll forces, active softening mechanisms as well as the characterization of microstructural evolution is of utmost importance to improve and optimize industrial hot rolling. This webinar, hosted by Dr. Fulvio Siciliano, starts with a brief review of the metallurgical processes that take place during hot rolling and then outlines how the Gleeble platform can be used to simulate these processes. Additionally, industrial hot rolling cases were discussed to demonstrate how Gleeble results can be successfully applied to production.

 

Click here to download a PDF of the presentation. 

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Episode 6 Thursday, June 4, 2020

New Gleeble Features, Enhancements and Beta Projects

Description: The Gleeble was originally developed in the 1950s. Since then, the platform has evolved through novel designs and innovations for nearly seven decades. The DSI Engineering team, in collaboration with many of our customers, has continued to add capabilities and develop technology enhancements. Based on feedback from previous webinars, Dan Quigley, Director of Business Development presented a brief overview of Gleeble systems with a focus on new product developments that have been made to support new avenues of research.

 

Click here to download a PDF of the presentation. 

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Episode 5 Thursday, May 28, 2020

Dilatometry Applications using the Gleeble Platform 

Description: Dilatometry is one of the most popular applications studied in the Gleeble. While dilatometry tests can be relatively simple to perform in the Gleeble, it is important to review best practices and test setup to ensure accurate, repeatable results. Dr. Brian Allen provided an overview of the application and discussed the value of dilatometry, followed by Mr. Eric Deitz, DSI System Service Engineer who provided more detail on best practices and procedures when performing dilatometry tests.

 

Click here to download a PDF of the presentation. 

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Episode 4 Thursday, May 21, 2020

Recrystallization Studies Using the Gleeble Platform

Description: Dr. Fulvio Siciliano, Metallurgist and Senior Application Consultant at DSI has many years of experience on recrystallization and hot rolling with focus on microstructure and rolling load evolution during steel processing. Fulvio provided an overview of recrystallization and Gleeble applications that support research and optimization in this important field of study.

 

Click here to download a PDF of the presentation. 

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Episode 3 Thursday, May 14, 2020

Gleeble Webinar Series - Uniaxial Compression Best Practices

Description: Dr. Brian Allen, DSI CTO and Chief Metallurgist and Mr. Eric Deitz, DSI System Service Engineer provided a high level overview and details on best practices when performing uniaxial compression tests using the Gleeble R&D Platform.

 

Click here to download a PDF of the presentation. 

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Episode 2 Thursday, May 7, 2020

Gleeble Platform Best Practices

Description: Dr. Wayne Chen, a longtime Gleeble user and the leader of the China Gleeble Office presented “Gleeble Platform Best Practices”  which includes a high level overview of how the Gleeble can be used as an R&D platform and a discussion of basic Gleeble principles, test design and application of data

 

Click here to download a PDF of the presentation. 

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Episode 1 Thursday, April 30, 2020

Procedure for starting up the Gleeble after an extended shut down

 

Click here to download a PDF of the presentation. 

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Gleeble systems have been trusted by leading industry, universities, and research institutions for over 60 years:
  • Atilim University
  • Cal Poly
  • Chemnitz University
  • Colorado School of Mines
  • EPFL
  • ETS
  • FAU
  • Freiberg
  • Imperial
  • Iowa State University
  • Lehigh
  • LNLS
  • Lulea
  • Mississippi State
  • Ostrava
  • Oulu
  • Politecnico di Bari
  • Portland State
  • SAIL
  • Swansea
  • Swerea Kimab
  • Tata
  • The Ohio State U
  • TU Graz
  • TU Wien
  • TU Delft
  • UBC
  • UConn
  • University West
  • Waterloo
  • Wits
  • Wollongong

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