Effect of different grain sizes on the static strain aging behavior of bake hardening steel
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Tugay Doğan
Abstract
In this study, the static strain aging behavior of a bake hardening steel (BH 220), suitable for cold forming and widely used in the automotive sector was investigated. Tensile specimens prepared from BH 220 steel were first subjected to a 40 minute solution treatment at 920 °C and 970 °C and then cooled in water to generate various grain sizes. Both as-received and heat-treated samples were pre-strained for 3 % tension and then aged at 180 °C for 10, 20, 30, 60, 180 and 300 min. Tensile tests were carried out to obtain the yield strength (YS), ultimate tensile strength (UTS), elongation (%) and bake hardening value (δY) of aged as-received and heat treated samples. Results indicated that BH 220 steel exhibited static strain aging behavior under as-received and heat-treated conditions. Heat treated samples showed higher susceptibility to static strain aging as compared to the as-received samples. Increased grain size in all the as-received and heat-treated samples decreased the YS and UTS but increased the bake hardening value δY.
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© 2019, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- 10.3139/120.019061
- Fachbeiträge/Technical Contributions
- Effect of rhenium and cobalt additions on the microstructure and gamma prime phase stability of vacuum arc melted modified nickel-based superalloys grade MGA 1400
- Residual strength of fire-exposed glass-reinforced epoxy composite pipes
- Impact attenuator conceptual design using lightweight materials and meta-modeling technique
- Microstructure and properties of high strength Al-Fe-Cu-Si-Zn alloy (AA8079) produced by mechanical alloying and powder metallurgy
- Determination of the static, dynamic and cyclic properties of the heat affected zone for different steel grades
- Friction stir welded and deep drawn multi-material tailor welded blanks
- Effects of cut-outs on the vibrational characteristics of a hollow shaft system
- Effect of heat treatment on wear and corrosion behavior of high chromium white cast iron
- Effect of nanoparticle reinforcement on mechanical properties and erosion–corrosion behavior of cast aluminum
- Effect of different grain sizes on the static strain aging behavior of bake hardening steel
- Effect of fillers on vinylester matrix composites
- Impact of oxygen doping on AC impedance, complex dielectric and electrical modulus spectra of a Hg-Ba-Ca-Cu-O ceramic
- Effect of TiBAl inoculation on abrasive wear resistance of high Cr white cast iron
- Stress shielding reduction via graded porosity of a femoral stem implant
Artikel in diesem Heft
- Inhalt/Contents
- 10.3139/120.019061
- Fachbeiträge/Technical Contributions
- Effect of rhenium and cobalt additions on the microstructure and gamma prime phase stability of vacuum arc melted modified nickel-based superalloys grade MGA 1400
- Residual strength of fire-exposed glass-reinforced epoxy composite pipes
- Impact attenuator conceptual design using lightweight materials and meta-modeling technique
- Microstructure and properties of high strength Al-Fe-Cu-Si-Zn alloy (AA8079) produced by mechanical alloying and powder metallurgy
- Determination of the static, dynamic and cyclic properties of the heat affected zone for different steel grades
- Friction stir welded and deep drawn multi-material tailor welded blanks
- Effects of cut-outs on the vibrational characteristics of a hollow shaft system
- Effect of heat treatment on wear and corrosion behavior of high chromium white cast iron
- Effect of nanoparticle reinforcement on mechanical properties and erosion–corrosion behavior of cast aluminum
- Effect of different grain sizes on the static strain aging behavior of bake hardening steel
- Effect of fillers on vinylester matrix composites
- Impact of oxygen doping on AC impedance, complex dielectric and electrical modulus spectra of a Hg-Ba-Ca-Cu-O ceramic
- Effect of TiBAl inoculation on abrasive wear resistance of high Cr white cast iron
- Stress shielding reduction via graded porosity of a femoral stem implant