1) bulging coefficient
胀形系数
1.
The results show that there are network carbides in the material,surface overheat occurs during hot processing,and bulging coefficient of the workpiece under deformation exceeds the limit obviously,which result in cracking of the bars during hot processing.
结果表明,材料组织存在网状分布的碳化物,热加工时钢棒表面过热,且工件加工变形的实际胀形系数明显过大,导致圆棒在变形过程中开裂。
2) bulging limit coefficient
极限胀形系数
3) coefficient of geometric form thermal expansion
几何形体热膨胀系数
5) bulging factor
鼓胀系数
1.
By rearranging several flow stresses and bulging factors which are widely used in international rules for calculating burst pressure of pipelines and comparing the calculated results with experimental data,a result that flow stress is a main factor of affecting the burst pressure of pipelines is concluded.
对含轴向缺陷管道的爆破压力做了研究,将几种国际上流行的计算管道爆破压力公式中的流变应力以及鼓胀系数进行重新组合,并将计算结果与试验数据进行比较,得出流变应力是影响爆破压力的主要因素,并且得出在相同的鼓胀系数下,采用BS7910中的流变应力计算结果更接近试验数值。
6) coefficient of expansion
膨胀系数
1.
The article introduces a way of the line coefficient of expansion of solid is measured fast and exact with Michaelson interferometer and thermocouple.
本文介绍一种利用迈克尔逊干涉仪和温差热电偶组合起来的方法,把不容易测量的固体线膨胀系数快速、准确地测量出来,给出了测量结果并进行了讨论分析。
补充资料：胀形
在管坯内部或在板坯一侧通以高压液体、气体或放入刚体瓣模,迫使管、板塑性变形,以制成工件的冲压成形工艺。由于受到材料塑性和塑性变形能力的限制，胀形程度不宜过大。胀形可用以制造平板的局部突起、凹坑、花纹,波纹管,皮带轮和自行车五通接头等。图为皮带轮液压胀形工序。胀形时，作为介质的气体、液体的压力随工件材料、厚度、变形情况而异，一般用10～13兆帕，也有用高能率成形和超塑成形的。胀形变形均匀，只需要一块模具(通常为凹模)，可以节省制模费用，但辅助工序较多，效率不高。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条