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发明公开
CN104988423A 一种高弹性模量弹性元件用恒弹性合金及其制备方法 失效 - 权利终止

一种高弹性模量弹性元件用恒弹性合金及其制备方法
摘要：
本发明提供了一种高弹性模量弹性元件用恒弹性合金及其制备方法。该合金的化学成分质量百分比为：C：≤0.02％，Ni：39.8-41.2％，Cr：5.45-5.90％，Ti：2.45％-2.65％，Mn：0.50-0.65％，Al：0.35-0.55％，Si：≤0.50％，Co：0.50-2.00％，Ce：0.01-0.2％，P≤0.015％，S≤0.015％，其它为Fe和不可避免杂质。本发明通过合理的冷轧工艺和热处理工艺得到一种具有强{112} 弱{110} 板织构，(Fe,Ni)3Ti析出强化，轧制方向弹性模量在200GPa以上，轧制方向弹性模量温度系数为(10～30)×10-6℃-1。
摘要（英）：

The invention provides a constant elasticity alloy for a high-elasticity-modulus elastic component and a manufacturing method of the constant elasticity alloy. The alloy comprises, by mass percentage, not larger than 0.02% of C, 39.8%-41.2% of Ni, 5.45%-5.90% of Cr, 2.45%-2.65% of Ti, 0.50%-0.65% of Mn, 0.35%-0.55% of Al, not larger than 0.50% of Si, 0.50%-2.00% of Co, 0.01%-0.2% of Ce, not larger than 0.015% of P, not larger than 0.015% of S and the balanced Fe and inescapable impurities. A sheet texture which has high {112}<111> and low {110}<112> is obtained through the reasonable cold rolling process and the heat processing process; (Fe,Ni)3Ti is precipitated and strengthened; the elasticity modulus in the rolling direction is higher than 200 GPa; and the temperature coefficient of the elasticity modulus in the rolling direction is (10-30)*10<-6>DEG C<-1>.

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