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Aging precipitation and recrystallization in high-nitrogen austenitic stainless steel 被引量:1

Aging precipitation and recrystallization in high-nitrogen austenitic stainless steel
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摘要 The interaction between precipitation and recrystallization in cold deformed Fe-18Cr-12Mn-0.48N high-nitrogen austenitic stainless steel was investigated by means of hardness test, optical microscopy (OM) and transmission electron microscopy (TEM). The results show that the recrystallization of the steel begins at about 750℃ . When aging at 750℃ , the precipitation occurs prior to recrystallization. Large numbers of the second phases nucleate in dislocation, grain boundary and subgrain boundary. Precipitation of the second-phase particles hinders the formation of recrystallization nucleus. The interaction between precipitation and recrystallization in cold deformed Fe-18Cr-12Mn-0.48N high-nitrogen austenitic stainless steel was investigated by means of hardness test, optical microscopy (OM) and transmission electron microscopy (TEM). The results show that the recrystallization of the steel begins at about 750℃ . When aging at 750℃ , the precipitation occurs prior to recrystallization. Large numbers of the second phases nucleate in dislocation, grain boundary and subgrain boundary. Precipitation of the second-phase particles hinders the formation of recrystallization nucleus.
出处 《中国有色金属学会会刊:英文版》 CSCD 2009年第S3期569-572,共4页 Transactions of Nonferrous Metals Society of China
基金 Project(2004CB619103) supported by the National Basic Research Program of China Project(50534010) supported by the National Natural Science Foundation of China
关键词 high-nitrogen AUSTENITIC STAINLESS steel aging precipitation RECRYSTALLIZATION high-nitrogen austenitic stainless steel aging precipitation recrystallization
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