...流检测； 包覆层； 铁磁介质； 测厚； 特征衰减时间 [gap=1826]Key words: pulsed eddy current detecting; the cladding layer; ferromagnetic material; thickness measurement; characteristic decay time ..
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The results show that the cladding layer has compact and flawless microstructure and has been metallurgically integrated with pure copper substrate.
结果表明：所制得熔覆层组织致密、无裂纹，与基体形成了良好的冶金结合。
Compared with the substrate, hardness of the cladding layer improves significantly.
与被强化基体相比，熔覆层的硬度得到显著提高。
The influences of the process parameters on microstructure and properties of the cladding layer were discussed.
探讨了工艺参数对熔覆层组织、性能的影响。
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