By means of stereomicroscopy and scanning electronic microscopy (SEM), the fracture mode and mechanism of the broken K18 superalloy cast blade in a supercharger turbo were investigated.

采用体视显微镜、扫描电镜等分析手段对K18合金增压器涡轮铸造叶片的断裂形貌与断裂机制等进行了分析。

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It features a self-sharpening hardened steel blade, a cast metal handle with tension spring to secure in any position, and a safety guard rail with handle lock.

它具有自我锐化淬火钢叶片的铸造处理与春季的紧张局势，以确保在任何位置，以及一个安全护栏手柄锁。

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Ni-based alloy with Y2O3 and composite modifier was used to repair cast defect in blade.

采用自配的添加稀土氧化物Y2O3和复合变质剂的镍基合金粉末对叶片铸造缺陷进行激光熔覆修复。

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