... 铺展性 spreadability 铺展性试验 spreadability test 垂直切割 square cut ...
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The filler metals and fluxes suitabled for 2A50 aluminum alloy brazing were selected according to the feature of 2A50 aluminum alloy and the test of spreadability and clearance fillabitity.
针对2A50铝合金的特点，根据铺展性、填缝性试验，对适合其钎焊的钎料与钎剂作了选择，进行了接头强度试验。
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