After heat treatment, the residual austenite is decreasing and carbides are increasing. The hardness of the surfacing layer is higher than that as welded.
经过热处理后，堆焊层中残余奥氏体的量明显减少，碳化物进一步析出，使得堆焊层的硬度比焊态下有了较大的提高。
After heat treatment, the residual austenite is decreasing and carbides are increasing. The hardness of the surfacing layer is higher than that as welded.
经过热处理后，堆焊层中残余奥氏体的量明显减少，碳化物进一步析出，使得堆焊层的硬度比焊态下有了较大的提高。
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