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全國服務熱線:400-0708-056

熱噴涂自熔性合金材料

日期:2020-09-22 16:54 人氣:
    自熔合金是指:含有B和(或)Si元素,熔點較低,大約在950~1150℃之間,本身具有脫氧、造渣、除氣和良好浸潤性能的合金,具有自我脫氧和造渣的功能,即所謂的自熔性。 
    自熔性合金的三種典型就是鐵鉻硼硅系列、鎳鉻硼硅系列和鈷鉻鎢系列。
    鐵基合金存在很好的耐磨性和必定的耐蝕性,因其價廉而被普遍用于個別機械零件的耐磨涂層跟修復整機用。其硬度范疇由含鉻量與含碳量而定,普通在HRC25~60或更高。
    鎳基合金不僅具有良好的耐磨性,還具有良好的耐腐蝕性和較好的紅硬性。廣泛用于既要求耐腐蝕,又要求耐磨的零部件。如閥門密封面,柱塞表面,用于有腐蝕性介質中的熱電偶導管以及要求耐腐蝕的化工容器等。
    鈷基合金(司太立系合金)的特點是在高溫下的耐腐蝕性和耐磨性十分突出,抗氣蝕性能好,因此可用于高溫排氣閥、高溫高壓閥門、高溫模具、汽輪機葉片等的修復或預保護。
    天盟公司是從事熱噴涂技術服務,歡迎廣大客戶到廠參觀考察。

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