The Effects of Ferrite Content and Morphology on the Mechanical Properties and Room Temperature Creep of Quenched and Tempered SAE 4340 Steel

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概要

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• The room temperature creep behavior is investigated for a commercial SAE 4340 steel containing small amounts of ferrite. Significant creep deformation occurs at stress levels below 1/3 σ_<0.2> (The yield strength at 0.2% offset strain). Small amounts of ferrite (0% to 4%) have no influence on the hardness and yield strength. However, these small amounts of ferrite play an important role in controlling the creep resistance. The presence of any ferrite leads to a reduction in the creep resistance. The creep deformation at room temperature increases with an increase in the amount of ferrite. The effects of ferrite morphology and an inhomogeneous microstructure on the creep resistance are discussed.

• 一般社団法人日本機械学会の論文
• 2003-07-15

著者

• Liu Cheng

  Department Of Pathology University Of Southern California Keck School Of Medicine

• Liu Cheng

  Department Of Electronic Engineering National Taiwan University Of Science And Technology

• BHOLE Sanjiwan

  Department of Mechanical, Aerospace and Industrial Engineering, Ryerson University

• NORTHWOOD Derek

  Department of Mechanical, Automotive and Materials Engineering, University of Windsor

• Bhole Sanjiwan

  Department Of Mechanical Aerospace And Industrial Engineering Ryerson University

• Northwood Derek

  Department Of Mechanical Automotive And Materials Engineering University Of Windsor

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• The Effects of Ferrite Content and Morphology on the Mechanical Properties and Room Temperature Creep of Quenched and Tempered SAE 4340 Steel
• 321 The Effect of Ferrite Content and Morphology on the Mechanical Properties and Room Temperature Creep of Quenched and Tempered SAE 4340 Steel

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