with microstructures primarily composed of ferrite and pearlite. With increasing safety and lightweight requirements in vessels, pipelines, industrial machinery, automobiles, and other fields, the ...

④珠光体（P-pearlite） 珠光体是铁素体与渗碳体以片层相间排列而成机械混合物。片层间距和片层厚度主要取决于奥氏体分解时的过冷度，据片层厚薄分：粗珠光体P、索氏体S、屈氏体T。 在缓慢冷却的条件下，含碳量为0.77%的铁碳合金只发生共析反应，其组织是 ...