铈对Ag-Cu-Ti钎料合金的显微组织、润湿性和力学性能的影响 - 图(2)

2020-03-27 09:05

造了钎焊CBN砂轮,磨试实验将在一个平面磨床进行。所有的详细结果将在接下来的一系列文章之中。

图11.Ag-Cu-Ti钎料的DTA曲线 图12.Ag-Cu-Ti-Ce0.25钎料料的DTA曲线

4结论

(1).Ce的加入促进了Ag-Cu-Ti钎料合金的合金化,降低熔点,增大过冷区,使金属间化合物的组织细化和增强了弥散分布,从而使Ag-Cu-Ti钎料的显微硬度和剪切强度增加。

(2).加入稀土元素Ce提高了Ag-Cu-Ti钎料在钢基体中的润湿性。 (3).Ce在Ag-Cu-Ti填料中添加的最佳含量在0.25%–0.5%的范围内。 参考文献:

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