【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
钢质薄壁圆筒加热至60℃后,恰好密合地套在温度为15℃的铜衬套上,尺寸如图,t1=1mm,t2=4mm,钢筒平均直径d1=100mm,E1=200GPa,α1=125×10-7/℃,铜衬套的E2=100GPa。求当配合后冷却至15℃时,钢圆筒作用在衬套上的压力p及衬套与圆筒的环向应力。
关键提示:变形协调条件为Δd1=Δd2。钢筒Δd1由温差Δt1和内压p引起,铜衬Δd2由外压p引起。可参看例4-7。
![](https://cdn.shuashuati.com/imgs/3ca44f78f3dfb67ed202ec72022a3dd0.jpg)
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAA5ElEQVRYR2NkGGDAOMD2M+B0wKpVq9huv/jbxPD/fxwDA4MkhQ59zsDIuEhVgrkuLCzsF7JZOB3QOml5B8P//+UUWoyqnZGxszovsoI4B0xc9gyfzxmZmb2rcsK3IRvWMWm599///7fgcfTz6vwoKWId8B+f75kZGX0q8iK3kugAhur8KJRQxx0FE5fhdQC5UTPqgNEQGA2B0RAYDYHREBgNgaETAuTW96TqG7yt4tbRFhGRIQBqHTP9+8dIoDUMTxqk5AK8zXKYiaDWMYhNpANIaJYPdMdkwLtmpOZnctUPeDkAAP6tmiH1ggTLAAAAAElFTkSuQmCC)
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参考答案:
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参考解析:
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