1. Three. They are hardening, temper and anneal. 三种。它们是淬火、回火和退火。
2. It can replace traditional isothermal anneal as advance heat treatment of roughcast of bearing rings. 可部分替代传统的等温退火作为轴承套圈毛坯的预先热处理。
3. Before cold extrusion T3 copper tube surface appears serious corrosion after soften anneal and pickling, which cause the whole products rejected. T3铜管衬套在冷挤压成型前的软化退火、酸洗后其表面产生严重腐蚀,造成整批产品报废。
英英解释
v.
1. toughen (steel or glass) by a process of gradually heating and cooling