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    • 气化模铸造涂料层强度及其对模样抗变形能力的研究

    • Strength and Deformation Resistance of EPC Coating

    • 王忠柯

      123

      黄乃瑜

      123

      佟天夫

      123
    • 1996年第6期 页码:19-22   

      纸质出版日期: 1996

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  • 引用

  • [1]王忠柯,黄乃瑜,佟天夫.气化模铸造涂料层强度及其对模样抗变形能力的研究[J].特种铸造及有色合金,1996(06):19-22. DOI:
    Wang Zhongke Haang Naiyu. Strength and Deformation Resistance of EPC Coating[J]. Special Casting & Nonferrous Alloys, 1996,(6):19-22. DOI:
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    摘要

    探讨了气化模铸造涂料层强度及其抗变形能力的测试方法。研究了涂料层中不同耐火粉料及粘结剂等因素对涂层强度的影响。测试涂挂不同涂料的模样在变载荷下的挠度值。结果表明,采用 PVA 有机粘结剂的涂料常温强度高于硅溶胶无机粘结剂涂料的常温强度。适当增大涂层厚度有助于模样抗变形能力。

    Abstract

    Testing technique of strength and deiormation resistance ot EPC coating was discussed. Some factors affecting coating strength,such as refractory and binder,were studied.The deformations (deflection value) of the patterns with different coatings were measured under different loads.The ex- perimental results show that the coating has higher strength contained PVA organic binder than con- tained colloidal silica inorganic binder at room temperature.Increasing properly coating thickness is helpful to resist the pattern deformation.

    关键词

    气化模铸造; 涂层强度; 抗变形能力

    Keywords

    Evaporating Pattern Casting; Coating Strength; Deformation Resistance

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