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	Effect of austenitizing temperature on structure and mechanical property of 1Cr12W2NiMoVNbN
	Ma Lishen ; Zhong Yuexian ; Ma Qingxian ; Chaolong, Y.
	2010-10-12 ; 2010-10-12
关键词	Practical Experimental/ alloy steel cracks crystal microstructure elongation impact strength quenching (thermal) rotors yield strength/ austenitizing temperature mechanical property microstructure property tempering quenching cracks tensile strength yield strength elongation impact strength ultra super critical steam condition high-pressure-intermediate pressure rotor temperature 1000 C to 1250 C temperature 590 C temperature 700 C FeCrWNiMoVNbNC/ E1520L Heat treatment E2180E Fracture mechanics and hardness (mechanical engineering) E2180B Plasticity (mechanical engineering) E2180F Ballistics and mechanical impact (mechanical engineering) E2210 Mechanical components E1710 Engineering materials/ temperature 1.27315E+03 to 1.52315E+03 K temperature 8.6315E+02 K temperature 9.7315E+02 K/ FeCrWNiMoVNbNC/ss Cr/ss Fe/ss Mo/ss Nb/ss Ni/ss C/ss N/ss V/ss W/ss
中文摘要	Microstructure and mechanical properties of 1Cr12W2NiMoVNbN steel, which can be used in USC steam conditions, was researched after quenching in the temperature range 1000~1250 degrees C and tempered at 590 degrees C and 700 degrees C. Microstructure of 1Cr12W2NiMoVNbN steel was tempered martensite after quenching and tempering in the temperature range of 1000-1100 degrees C. When the quenching temperature is above 1150 degrees C , delta ~ferrite can be observed. The distribution and amount of-ferrite will not be changed after tempering. Quenching cracks can be seen when the temperature is above 1200 degrees C. Mechanical properties of 1Cr12W2NiMoVNbN steel such as tensile strength, yield strength, elongation and reduction of area are not sensitive to the quenching temperature, but so do impact strength. The optimal integrated mechanical properties can be achieved at the quenching temperature around 1050 degrees C.
语种	中文
出版者	Chinese Mechanical Engineering Society ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78156]
专题	清华大学
推荐引用方式 GB/T 7714	Ma Lishen,Zhong Yuexian,Ma Qingxian,et al. Effect of austenitizing temperature on structure and mechanical property of 1Cr12W2NiMoVNbN[J],2010, 2010.
APA	Ma Lishen,Zhong Yuexian,Ma Qingxian,&Chaolong, Y..(2010).Effect of austenitizing temperature on structure and mechanical property of 1Cr12W2NiMoVNbN..
MLA	Ma Lishen,et al."Effect of austenitizing temperature on structure and mechanical property of 1Cr12W2NiMoVNbN".(2010).

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