The microstructure is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
Microstructure of the deposited metals is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
The microstructure analysis by SEM showed that the precipitation of netlike proeutectoid carbide has been inhibited during air cooling after forging due to Al addition to the UHCs.
扫描电镜观察表明，加入铝，可抑制锻后空冷条件下先共析网状碳化物的析出；
The results show that with the increase of cooling rate, the grain size of proeutectoid ferrite decreases, the volume fraction of proeutectoid ferrite and acicular ferrite increases.
结果表明，随冷却速率的增大，先共析铁素体的晶粒尺寸减小，体积分数增大，针状铁素体增多；
The results show that with the increase of cooling rate, the grain size of proeutectoid ferrite decreases, the volume fraction of proeutectoid ferrite and acicular ferrite increases.
结果表明，随冷却速率的增大，先共析铁素体的晶粒尺寸减小，体积分数增大，针状铁素体增多；
应用推荐