The invention provides a negative thermal expansion alloy of Nickel-Titanium-Niobium which has negative thermal expansion characteristics in a wider temperature range and a preparation method.
提供一种在较宽温度区间具有负热膨胀特性的镍钛铌负热膨胀合金及其制备方法。
Dilatometric measurements revealed that the coefficient of thermal expansion of ZL109 alloy tends to decrease with increasing whiskers content.
复合材料的热膨胀系数低于ZL 10 9合金且随晶须含量的增加而降低。
When Added Additive, PEC, strength, the ratio of the thermal expansion and fluidity etc, of bond would be effected, through testing, strength and toughness of bond will proved with adding alloy.
在低温陶瓷结合剂中添加适量金属或合金粉，就会对结合剂的耐火度、流动性、热膨胀系数、强度等性能产生影响。通过试验分析，合金粉的加入能改善结合剂的强度及韧性。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
Hypereutectic Al-Si alloy which has small proportion, low coefficient of thermal expansion, good wear resistance and dimensional stability is an ideal piston material.
过共晶铝硅合金比重小、热膨胀系数低、耐磨性和体积稳定性好，是理想的活塞材料。
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