Timephoon
2020-06-24T03:28:40+00:00
合金相图里有亚共晶和过共晶，但是这两个怎么区分呢？是在相图左边的就是亚共晶，右边的就是过共晶？但是相图左右颠倒之后不就变了吗？
上图[img]https://img.nga.178.com/attachments/mon_202006/26/-7Q5-3hl9K24T3cSlc-sg.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202006/26/-7Q5-3h1yZcT3cSlc-sg.jpg.medium.jpg[/img]
上图[img]https://img.nga.178.com/attachments/mon_202006/26/-7Q5-3hl9K24T3cSlc-sg.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202006/26/-7Q5-3h1yZcT3cSlc-sg.jpg.medium.jpg[/img]