Effects of manufacturing processes and in-service mperature variations on the properties of TRIP steels

Xin Sun, Elizabeth Stephens, Moe Khaleel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper examines some key aspects of the manufacturing process that "Transformation Induced Plasticity" (TRIP) steels would be exposed to, and systematically evaluate how the forming and thermal histories affect final strength and ductility of the material. We evaluate the effects of in-service temperature variations, such as under hood and hot/cold cyclic conditions, to determine whether these conditions influence final strength, ductility and energy absorption characteristics of several available TRIP steel grades. As part of the manufacturing thermal environment evaluations, stamping process thermal histories are included in the studies. As part of the in-service conditions, different pre-straining levels are included. Materials from four steel suppliers are examined. The thermal/straining history versus material property relationship is established over a full range of expected thermal histories and selected loading modes. Establishing these relationships will allow OEM designers to select TRIP steels for proper vehicle applications, and to specify manufacturing process conditions that yield reliable final material property levels.

Original languageEnglish
Title of host publicationSAE Technical Papers
Publication statusPublished - 1 Dec 2007
Externally publishedYes
Event2007 World Congress - Detroit, MI, United States
Duration: 16 Apr 200719 Apr 2007

Other

Other2007 World Congress
CountryUnited States
CityDetroit, MI
Period16/4/0719/4/07

Fingerprint

Plasticity
Steel
Ductility
Materials properties
Stamping
Energy absorption
Hot Temperature
Temperature

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

Cite this

Sun, X., Stephens, E., & Khaleel, M. (2007). Effects of manufacturing processes and in-service mperature variations on the properties of TRIP steels. In SAE Technical Papers

Effects of manufacturing processes and in-service mperature variations on the properties of TRIP steels. / Sun, Xin; Stephens, Elizabeth; Khaleel, Moe.

SAE Technical Papers. 2007.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sun, X, Stephens, E & Khaleel, M 2007, Effects of manufacturing processes and in-service mperature variations on the properties of TRIP steels. in SAE Technical Papers. 2007 World Congress, Detroit, MI, United States, 16/4/07.
Sun, Xin ; Stephens, Elizabeth ; Khaleel, Moe. / Effects of manufacturing processes and in-service mperature variations on the properties of TRIP steels. SAE Technical Papers. 2007.
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