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利用FORMASTOR—F型膨胀仪测定了一种新型稀土焊条堆焊区的CCT曲线,结果表明:该堆焊层金属具有较高的硬度和淬透性。
The CCAST curve of a new type of rare earth electrode was measured by FORMASTOR-F dilatometer. The results show that the overlay metal has high hardness and hardenability.