acicular ferrite
Aaron · 2010-08-06 19:26 · 25527 次点击
Ahighlysubstructurednonequiaxedferriteformeduponcontinuouscoolingbyamixeddiffusionandshearmodeoftransformationthatbeginsatatemperatureslightlyhigherthanthetransformationtemperaturerangeforupperbainite.Itisdistinguishedfrombainiteinthatithasalimitedamountofcarbonavailable;thus,thereisonlyasmallamountofcarbidepresent.