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首页> 外文期刊>Journal of Materials Engineering and Performance >Effect of Base Metal Misorientation on Single-Crystal Superalloy Transient Liquid-Phase Bonded Joints
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Effect of Base Metal Misorientation on Single-Crystal Superalloy Transient Liquid-Phase Bonded Joints

机译：基础金属杂散对单晶超合金瞬态液相粘合接头的影响

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摘要

In this paper, experiments and theoretical analysis were conducted to elucidate the internal relation between base metal misorientation and the characteristics of DD5 single-crystal superalloy TLP joints. The alloy was bonded at 1513K for 10h in vacuum environment. High-temperature creep rupture tests were carried out to determine the joint's quality. Results revealed that base metal misorientation exerted a remarkable influence on DD5 alloy TLP joints. The joints of base metals with [001] orientation were used in this research. When the misorientation was smaller than 9 degrees-10 degrees, the single crystallization of joints can be realized and joints can achieve excellent mechanical properties. When the misorientation was more than 10 degrees, there would be second-phase particles distributed in grain boundaries, thus resulting in poor mechanical property of joint; moreover, the characteristics of joint did not change with base metal misorientation in this case.
机译：本文进行了实验和理论分析，以阐明基础金属错位器与DD5单晶超合金TLP接头之间的内部关系。 将合金在1513K在真空环境下键合10小时。 进行高温蠕变破裂试验以确定关节的质量。 结果表明，基础金属杂乱素对DD5合金TLP接头产生了显着影响。 在本研究中使用了基础金属的关节。 当错误化小于9度-10度时，可以实现关节的单一结晶，并且接头可以实现优异的机械性能。 当误导性超过10度时，将存在分布在晶界中的第二相颗粒，从而导致关节的机械性质差; 此外，在这种情况下，关节的特性不会随着基础金属错位而改变。

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