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스테인리스강의 가스질화에 미치는 열처리 조건의 영향에 관한 연구
김한군 ( H. G. Kim ),황길수 ( G. S. Hwang ),선철곤 ( C. G. Sun ) 한국열처리공학회 2003 熱處理工學會誌 Vol.16 No.2
N/A Nitrided compound layer and diffusion layer structure were observed by SEM. The compound layer and the constituent of nitrided surface of STS 304, STS 316, STS 410 and SACM 645 steel were analysed using EMPA and XRD respectively. The depth of nitriding layer that is obtained from similar nitriding condition decrease in the order of SACM 645>STS 410>STS 316>STS 304. Result of phase transformation of the nitrided at 550℃ by XRD analysis were as follows; The austenitic stainless steel was mainly consist of Cr_2N accompanying with Fe_4N and Fe_2-3N phase and martensitic stainless steel was mainly consist of present Fe_2-3N+Cr_2N phase, but SACM 645 steel was Fe_2-3N phase present only.