Phase constituents and microstructure of laser synthesized TiB_2-TiC reinforced composite coating on steel

Baoshuai Du; Sameer R. Paital; Narendra B. Dahotre

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Phase constituents and microstructure of laser synthesized TiB_2-TiC reinforced composite coating on steel

机译：钢上激光合成TiB_2-TiC增强复合涂层的相组成和显微组织

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The synthesis of hard composite coating reinforced with TiB_2-TiC on steel using laser surface engineering has been investigated. Phase evolution was analyzed by correlating the experimental results with thermodynamic calculation performed by Thermalcalc? software. The composite coating consists of alpha-Fe, gamma-(Fe,Ni), TiB_2, TiC and Fe_3(B,C). Microstructure characterization reveals micro-sized blocky particles and submicron-sized spherical particles. Compared with the steel substrate, an improvement of microhardness value (3-4 times) was observed for the composite coating.

机译：研究了用激光表面工程在钢上合成TiB_2-TiC增强的硬质复合涂层的方法。通过将实验结果与Thermalcalc？进行的热力学计算相关联来分析相变。软件。复合涂层由α-Fe，γ-（Fe，Ni），TiB_2，TiC和Fe_3（B，C）组成。微观结构表征揭示了微米级的块状颗粒和亚微米级的球形颗粒。与钢基材相比，复合涂层的显微硬度值提高了（3-4倍）。

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《Scripta materialia》 |2008年第10期|共4页
作者
Baoshuai Du; Sameer R. Paital; Narendra B. Dahotre;
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正文语种 eng
中图分类金属学与热处理;
关键词
Laser deposition; Metal-matrix composites (MMC); Borides; Carbides; Coatings;

机译：激光沉积;金属基复合材料（MMC）;硼化物;硬质合金;涂层;

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3. Phase constituents and microstructure of laser synthesized TiB_2-TiC reinforced composite coating on steel [J] . Baoshuai Du, Sameer R. Paital, Narendra B. Dahotre Scripta materialia . 2008,第10期

机译：钢上激光合成TiB_2-TiC增强复合涂层的相组成和显微组织
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Phase constituents and microstructure of laser synthesized TiB_2-TiC reinforced composite coating on steel

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