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Author:

王继东 (王继东.) | 王智慧 (王智慧.) | 冯萌 (冯萌.)

Indexed by:

CQVIP PKU

Abstract:

采用等离子喷涂方法在304不锈钢表面喷涂NiCoCrAIY2O3+(ZrO2+7%Y2O3)陶瓷热障涂层,模拟航空发动机涡轮叶片工作环境,研究涂层在加热和空气冷却条件下的抗热震性能.结果表明:喷涂后的涂层内部产生大量微观裂纹,随着热震次数的增加,陶瓷层内部的纵向微观裂纹通过大孔隙的连通方式逐渐在涂层内部扩展.ZrO2陶瓷喷涂后涂层主要以四方相和部分立方相组成,当涂层在热震40次时,陶瓷中的部分四方相向单斜相转变,并伴随着体积的变化,易在涂层中形成新的裂纹并加快原有裂纹的扩展.

Keyword:

热震性能 等离子喷涂 热障涂层

Author Community:

  • [ 1 ] [王继东]北京工业大学
  • [ 2 ] [王智慧]北京工业大学
  • [ 3 ] [冯萌]北京工业大学

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焊接

ISSN: 1001-1382

Year: 2009

Issue: 11

Page: 31-34

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 5

Chinese Cited Count:

30 Days PV: 10

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