(Colorado School of Mines, Golden (1998)
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HSS as delivered, a lot of carbides |
HSS Quenched, less carbides but still.... |
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| HSS after quenching as seen in the Scanning Electron Microscope (SEM) |
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| HSS quenched and tempered as seen in the SEM. The big carbides existed before tempering, but the carbides "chapelet" that are seen in the previous austenite grain bounderies have precipitated during tempering. The grain, however, is now the kingdom of the Martensite |
