A late stage in the tempering of martensite when the carbide particles have grown to the extent that the structure has a distinctly granular appearance. Further tempering causes globular carbides to appear. See METALLURGY.
A late stage in the tempering of martensite when the carbide particles have grown to the extent that the structure has a distinctly granular appearance. Further tempering causes globular carbides to appear. See METALLURGY.