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首页> 外文期刊>Archives of Metallurgy and Materials >Impact of Tin and Nickel on the Brazing Properties of Silver Filler Metals and on the Strength of Brazed Joints Made of Stainless Steels
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Impact of Tin and Nickel on the Brazing Properties of Silver Filler Metals and on the Strength of Brazed Joints Made of Stainless Steels

机译：锡和镍对银填充金属的钎焊性能以及不锈钢钎焊接头强度的影响

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The research involved vacuum tests of brazing properties of silver filler metals, containing tin as well as tin and nickel, and used in brazing of chromium X6Cr17 and chromium-nickel X6CrNiTi18-10 stainless steels. The research also involved testing the strength and structural properties of brazed joints made of these steels. The tests were conducted on filler metals (silver brazing alloys) B-Ag68CuSn-730/755 (Ag68Cu28Sn4) and B-Ag65CuSnNi-740/767 (Ag65Cu28Sn5Ni2) and also, for comparative purposes, on the filler metal B-Ag72Cu-780 (Ag 272 according to PN-EN ISO 17672), most commonly applied in the vacuum brazing of high alloyed stainless steels. The brazing properties of the filler metals were tested by determining their wettability by means of the spreadability method. The strength of brazed joints made of the stainless steels was examined in a shear test. Research-related structural tests involved light and electron microscopy with an energy dispersive spectrometer (EDS). The comparative analysis of the properties of the filler metals revealed the positive impact of tin and nickel on the spreadability and wettability of the silver brazing alloys as well as on the quality and the shear strength of brazed joints.
机译：该研究涉及包含锡，锡和镍的银填充金属的钎焊性能的真空测试，并用于铬X6Cr17和铬镍X6CrNiTi18-10不锈钢的钎焊。该研究还涉及测试由这些钢制成的钎焊接头的强度和结构性能。测试是针对填充金属（银钎焊合金）B-Ag68CuSn-730 / 755（Ag68Cu28Sn4）和B-Ag65CuSnNi-740 / 767（Ag65Cu28Sn5Ni2）进行的，并且为了进行比较，还对填充金属B-Ag72Cu-780（ Ag 272（根据PN-EN ISO 17672），最常用于高合金不锈钢的真空钎焊。通过利用铺展性方法确定其润湿性来测试填充金属的钎焊性能。在剪切试验中检查了由不锈钢制成的钎焊接头的强度。与研究相关的结构测试涉及使用能量色散光谱仪（EDS）进行的光学和电子显微镜检查。填充金属性能的比较分析表明，锡和镍对银钎焊合金的铺展性和润湿性以及钎焊接头的质量和剪切强度具有积极影响。

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