Sep 29, 2012 #1 natthaphon Industrial Sep 29, 2012 1 can everyone tell me What phase or structure in this picture ???? it is a needle shape martensite .isn't it ???
can everyone tell me What phase or structure in this picture ???? it is a needle shape martensite .isn't it ???
Sep 30, 2012 #2 Metaljon Materials May 31, 2006 115 It is looks like tempered martensite. Upvote 0 Downvote
Sep 30, 2012 #3 metengr Materials Oct 2, 2003 15,478 I would also agree based on the stated alloy chemical composition. Upvote 0 Downvote
Oct 1, 2012 #4 TVP Materials Apr 12, 2002 4,592 Presuming that this is an image taken after etching with nital (2-10% nitric acid in water), then I agree with the others. Upvote 0 Downvote
Presuming that this is an image taken after etching with nital (2-10% nitric acid in water), then I agree with the others.
Oct 1, 2012 #5 stanweld Materials May 9, 2003 2,906 Agree with the others plus possibly some retained austenite. Upvote 0 Downvote
