The experimental results indicate that addition of optimum content of RE may reduce the width of HAZ,restrain the excessive growth of grains and greatly low...
英
美
释义
适量稀土的加入能够改善焊缝组织,使异种钢焊接接头热影响区变窄、过热区晶粒长大受到抑制、过渡区脆硬层硬度显著降低,有利于异种钢焊接接头抗裂性能的提高。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载