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Author:

林英华 (林英华.) | 雷永平 (雷永平.) (Scholars:雷永平)

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CQVIP PKU CSCD

Abstract:

采用Ti+TiB2P、粗TiB2P与细TiB2P分别作为预置层,运用激光熔覆技术在Ti6Al4V表面原位合成TiB短纤维增强钛基复合涂层,并通过X射线衍射(XRD)与扫描电子显微镜(SEM)分析TiB短纤维的体积分数与长径比。结果表明,涂层主要由TiB短纤维和TiB2P组成。当采用Ti+TiB2P作为预置层时,涂层中TiB短纤维的长径比随着Ti含量的增加而减小;当采用粗TiB2P作为预置层时,涂层中较难形成较大体积分数的TiB短纤维;当采用细TiB2P作为预置层时,涂层中可同时形成较高体积分数与较大长径比的TiB短纤维。结合涂层中TiB短纤维的变化规律,探讨了形成机理。

Keyword:

TC4钛合金 激光熔覆 激光技术 钛基复合涂层 TiB

Author Community:

  • [ 1 ] 北京工业大学材料科学与工程学院

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Source :

中国激光

Year: 2014

Issue: 07

Volume: 41

Page: 111-117

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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