EFFECT OF ROLLING PROCESS ON INSTRUMENTED IMPACT PROPERTIES OF HP295 STEEL PLATE

SONG Li-qiu; TANG Li; WANG Yi-cheng; CHEN Su-kun; LIU Jian-hua; LI Qing-chun

Volume 23 Issue 2

Jun. 2002

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2002 > 23(2): 14-18

SONG Li-qiu, TANG Li, WANG Yi-cheng, CHEN Su-kun, LIU Jian-hua, LI Qing-chun. EFFECT OF ROLLING PROCESS ON INSTRUMENTED IMPACT PROPERTIES OF HP295 STEEL PLATE[J]. IRON STEEL VANADIUM TITANIUM, 2002, 23(2): 14-18.

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SONG Li-qiu, TANG Li, WANG Yi-cheng, CHEN Su-kun, LIU Jian-hua, LI Qing-chun. EFFECT OF ROLLING PROCESS ON INSTRUMENTED IMPACT PROPERTIES OF HP295 STEEL PLATE[J]. IRON STEEL VANADIUM TITANIUM, 2002, 23(2): 14-18.

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EFFECT OF ROLLING PROCESS ON INSTRUMENTED IMPACT PROPERTIES OF HP295 STEEL PLATE

1. Panzhihua Iron and Steel Research Institute, Panzhihua 617000, Sichuan, China;
2. Technical Administration Department of PZH Steel, Panzhihua 617067, Sichuan, China;
3. Vanadium Recovery and Steelmaking Plant of PZH Steel, Panzhihua 617062, Sichuan, China

Received Date: 2001-12-29
Available Online: 2023-12-06

Abstract

Abstract

Impact toughness of HP295 steel plate were investigated at different finishing temperature and test temperature by means of instrumented impact test. LME of impact fracture were measured. Fractography of instrumented impact were analyzed by SEM. The results show that the temperature of ductile-to-brittle rise,impact toughness and crack propagation absorbed impact energy decrease along with finishing temperature rising.The lower instrumented temperature is,the greater effect of finishing temperature on toughness.There is good relation between impact toughness and LME of fracture with topography of fracture surfaces.
- cylinder steel,
- instrumented impact,
- impact toughness,
- fractography,
- temperature

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