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Development of Brazing Alloys for Joining Heat Resistant Alloys 耐热合金钎焊合金的发展
测试和研究了15种不同合金系统的钎焊特性、化学和物理性能。这些合金是镍基二元和三元体系,含有磷、硅、铬、锰、钼、钨和铁等金属和类金属。 镍磷铬系和镍磷硅系的含磷合金性能最好。镍-硅-锰系的含硅合金性能最好。在所研究的合金中,含硅合金的熔点通常高于含磷合金。 研究表明,在提高合金的抗湿性和抗氧化性的同时,大部分铬和铬也有助于提高合金的抗湿性和抗氧化性。
Fifteen different alloy systems were tested and studied for brazing characteristics, chemical and physical properties. These alloys were nickel base binary and ternary systems containing such metals and metalloids as phosphorus, silicon, chromium, manganese, molybdenum, tungsten and iron. The nickel-phosphorus-chromium system and nickel-phosphorus- silicon system showed the best properties of the phosphorus bearing alloys. The nickel-silicon-manganese system showed the best properties of the silicon bearing alloys. Of the alloys studied the silicon bearing alloys in general are higher melting than the phosphorus bearing alloys. Studies also showed that phosphorus and manganese contributed the most toward improving the flow and wetting properties of the alloys, while silicon and chromium contributed the most toward improving the oxidation resistance and strength properties of the alloys.
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