奥氏体区 meaning in English

austenitic area
austenitic range

The effect of the structure of austenite zone on the performance of gray iron welding joint is studied by means of thermo - simulated test in this paper
摘要采用热模拟试验方法探讨了灰口铸铁焊接接头热影响区的奥氏体区组织对接头性能的影响。
Combining with the results of implant test , the conclusion that the main reason of dropping the strength of austenite zone is the micro - crack located in the tip of flake graphite and marten site is drawn
结合插销试验结果提出了马氏体相变过程中，在片状石墨尖端及马氏体组织中造成的微裂纹是奥氏体区强度下降并进而在外力作用下断裂的主要原因。