[삼천리열처리 자료실] 열처리 따른 조직사진

<TABLE cellSpacing=0 cellPadding=0 width="95%" border=0> <TBODY> <TR vAlign=bottom> <TD align=right colSpan=3> <IMG height=29 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fdata_bigt01.gif" width=182 vspace=7></TD></TR> <TR vAlign=bottom> <TD colSpan=3 height=20> <IMG height=19 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fbody-title1.gif" width=77></TD></TR> <TR> <TD background=../images/com/body_barbg.gif colSpan=3 height=5></TD></TR> <TR> <TD height=7></TD></TR> <TR> <TD vAlign=top align=middle colSpan=3> <TABLE cellSpacing=3 cellPadding=3 width="100%" border=0> <TBODY> <TR> <TD width="68%"> <IMG height=285 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fsell_01.gif" width=370></TD> <TD class=w_tex vAlign=top width="32%">[Annealing 조직] ▶ S40C ▶ 820℃ 로냉 ▶ 배율 400배 ▶ Ferrite(백)+pearlite(흑) </TD></TR> <TR> <TD width="68%"> <IMG height=285 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fsell_02.gif" width=370></TD> <TD class=w_tex vAlign=top width="32%">[Quenching Tempering 조직] ▶SCM435 ▶860℃유냉, 590℃ Tempering ▶배율 400배 ▶Sorbite </TD></TR> <TR> <TD width="68%"> <IMG height=285 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fsell_03.gif" width=370></TD> <TD class=w_tex vAlign=top width="32%">[침탄 열처리 조직] ▶SCM415 ▶920℃ 침탄,    830℃ Quenching   180℃ Tempering ▶배율 400배 ▶Tempered martensite 표면   에는  입계산화물 존재 </TD></TR> <TR> <TD width="68%"> <IMG height=285 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fsell_04.gif" width=370></TD> <TD class=w_tex vAlign=top width="32%">[진공 열처리 조직] ▶1020℃ 질소 가압 냉각 180℃   Tempering(2회) ▶SKD11 ▶배율 400배 ▶저온 Tempered martensite +   잔류 Austenite+미고용탄화물 </TD></TR> <TR> <TD width="68%"> <IMG height=285 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fsell_05.gif" width=370></TD> <TD class=w_tex vAlign=top width="32%">[고주파 열처리 조직] ▶870℃ 가열 분사 냉각 180℃   Tempering ▶SCM435 ▶배율 400배 ▶Tempered martensite </TD></TR> <TR> <TD width="68%"> <IMG height=285 src="https://img1.daumcdn.net/relay/cafe/original/?fname=http%3A%2F%2Fwww.sclht.co.kr%2Fimages%2Fdata%2Fsell_06.gif" width=370></TD> <TD class=w_tex vAlign=top width="32%">[Gas 연질화 조직] ▶Q.T 후 580℃ Gas 연질화 ▶SCM440 ▶배율 400배 ▶기지조직은 Sorbite, 표면의    백층은 화합물층, 백층 아래    는 확산층 </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>