Steel forgings for pressure purposes . part 4 : weldable fine grain steels with high proof strength 承压钢锻件.第4部分:高弹限强度可焊接细晶钢
3 ) the temperature and the deformation rate are the key factors to prepare ultra - fine grain materials ( 3 )变形温度和变形速率是获得超细晶材料的关键。
Hot finished structural hollow sections of non - alloy and fine grain steels - technical delivery requirements 细晶结构钢和非合金热轧空心型材.交付技术要求
Microstructure and properties of ultrafine - grained aluminum - based alloy processed by equal channel angular pressing 等径弯曲通道变形制备超细晶铝合金的组织性能
Microstructure and mechanical properties of ultrafine grained copper prepared by asymmetrical accumulative roll - bonding process 异步叠轧制备超细晶铜微观组织与力学性能
Cold formed welded structural hollow sections of non - alloy and fine grain steels - technical delivery requirements 细晶结构钢和非合金冷成形焊接结构空心型材.技术提交要求
Hot finished structural hollow sections of non - alloy and fine grain steels - tolerances , dimensions and sectional properties 细晶结构钢和非合金热轧空心型材.公差尺寸和截面特性
The mechanical capability , dilatability and stability of these microstructures at elevated temperatures were also studied 并对所得到的超细晶材料的热稳定性、力学性能和热膨胀性能进行了研究。
Cold formed welded structural hollow sections of non - alloy and fine grain steels - tolerances , dimensions and sectional properties 细晶结构钢和非合金冷成形焊接结构空心型材.公差尺寸和部分特性
The structures of the samples are ultra - fine - crystalline structures and their hardness are 1 . 5 to 1 . 8 times as the originals 检测结果表明，试样均为超细晶组织，其显微硬度为原始硬度的1 . 5 1 . 8倍。
