Thermal Fatigue Behavior of New Type High-Cr Cast Hot Work Die Steel

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概要

• 論文の詳細を見る

• The thermal fatigue (TF) behavior of a new type high-Cr cast hot work die steel was investigated. The results indicate that TF cracks initiate at the grain boundaries or at the interface between inclusion and matrix, which had been oxidized, and then propagated along the grain boundaries. The thermal fatigue crack initiation and propagation have been accelerated greatly by oxidation. The new type cast high Cr hot work die steel has a better thermal fatigue resistance compared to 4Cr5MoSiV1(8407) steel under thermal cycling temperatures of 650-25°C. Good oxidation and temper resistances are the main causes for the better TF resistance of the new type high-Cr cast hot work die steel.

• 社団法人 日本鉄鋼協会の論文
• 2004-06-15

著者

• GUAN Q.

  The Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Scie

• JIANG Q.

  Department of Materials Science & Engineering, Jilin University of Technology

• Sui H

  Department Of Materials Science And Engineering Jilin University At Nanling Campus

• SUI H.

  Department of Materials Science and Engineering, Jilin University at Nanling Campus

• Guan Q.

  The Key Laboratory Of Automobile Materials Ministry Of Education Jilin University At Nanling Campus

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