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 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;
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