不均匀变形(inhomogeneous deformation) 金属塑性加工过程中变形体在外力作用下产生的塑性变形沿高向、宽向及纵向分布不均的现象。
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When feed velocity increases, the influence of strain hardening exponent decreases. When Young's modulus grows, the maximum deformation and the inhomogeneous deformation degree increases.
随着进给速度增大,硬化指数对工件内不均匀成形的影响减小;随着弹性模量增大,工件成形的最大等效塑性应变值增大,不均匀变形程度增大;屈服强度对工件成形的不均匀程度影响无明显规律。
参考来源 - 轴承套圈冷辗扩成形过程的数值模拟研究The achievements of this study are important for the development of the advanced in-plane bending process and the unequal deformation theory.
本文的研究结果对丰富不均匀变形理论、发展板带面内弯曲成形技术具有重要意义。
参考来源 - 板带不均匀压下面内弯曲成形过程内缘起皱与成形极限的研究The non-uniform deformation will be produced because of the friction factors in metal forging process,which is an important impact on structure property after the material forming. Therefore,in the field of plastic processing,the non-uniform deformation is always very important research subject.
金属锻压过程中,由于外摩擦等因素影响会产生不均匀变形,这对实现成形和成形后材料组织性能有重要影响。
参考来源 - 锻压成形过程不均匀变形控制与利用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
究其原因，主要是大坝不均匀变形所致。
These cracks were mainly caused by the nonuniform deformation of the dam.
结果表明，它们对产生试样的不均匀变形都有重要的作用。
The results show that they have important influence on uneven strain of the sample.
探讨水泥混凝土路面不均匀变形指标与测定方法，并提出了建议参考值。
Discuss about uneven distort target and determine method for cement concrete pavement and suggest referenced value.
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