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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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 on 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 in inhomogeneous microstructure on the creep resistance are discussed.
- 一般社団法人日本機械学会の論文
著者
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Liu Cheng
Department Of Electronic Engineering National Taiwan University Of Science And Technology
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Northwood Derek
Faculty Of Engineering & Application Science
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Bhole S.
Department of Mechanical, Aerospace and Industrial Engineering
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Liu Cheng
Department Of Mechanical Aerospace And Industrial Engineering
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Bhole S.
Department Of Mechanical Aerospace And Industrial Engineering
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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