基于金属板材塑性变形的损伤本构关系，运用有限元数值法分析了金属薄板的面内成形过程。
The sheet metal forming processes under in-plane deformation were simulated by using finite element method based on a coupled elastoplasticity with damage constitutive laws.
本文根据液压胀形的特点，利用塑性变形原理，提出评定板材成形性能的液压胀形试验法。
According to the character of hydraulic bulge and the theory of plastic deformation, a testing method of hydraulic bulge to evaluate the forming property of sheet metals is put forward.
介绍了一种利用激光作为热源使金属板料在无模具下发生热塑性变形的新的成形加工方法。
A new forming process which can make sheet metals thermoplastic deformation without dies through the use of a laser as a heat source was described.
本文采用有限元模拟的方法，结合金属成形的塑性变形理论，深入分析了拉弯的成形机理，建立了用于转台式拉弯成形模拟的有限元模型。
By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending.
塑性变形是液态金属静压成形过程所不可缺少的、必要的和充分的条件之一。
One of the essential and full conditions for squeeze-forming from liquid metal in static condition is the plastic deformation.
金属塑性成形是一种利用金属材料的塑性，对金属毛坯施加适当的能量和载荷，使金属毛坯发生塑性变形而形成具有一定几何形状和力学性能的零件或半成品件的成形工艺。
Metal forming is a kind of process to form billets into parts with proper shapes and mechanical properties, under huge energy and load by utilizing the plasticity of metal materials.
主要讨论板壳成形过程中的结构性问题，探讨板料塑性变形、板内膜力对应力状态和变形状态的作用以及回弹规律。
The effect and resilience rule of the plate's plastic deformation and membrane force on the stress state and deformation state are discussed.
电磁成形是金属在强脉冲磁场中受力而发生塑性变形的一种高能高速的成形方法。
Electromagnetic forming is a new kind of forming method with high energy and high forming velocity, by which the metal is loaded under strong impulse magnetic field and deformed plastically.
有重叠区的多点分段成形可减缓强制变形区与过渡区交界处的曲率突变现象，但未完全消除剧烈的塑性变形。
The sectional forming method with overlapping area can restrict the variety of curvature, but the drastic distortion is not removed.
丝杠冷打是在工具和丝杠高速相对运动中，以高速断续的方式击打丝杠轴坯，使丝杆轴坯局部塑性变形形成丝杠螺纹的一种无屑塑性成形技术。
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.
利用激光作为热源使金属板料在无模具下发生热塑性变形是一种新的成形方法。
A new forming process which can make sheet metal thermoplastic deforming without dies through the use of laser as heat source was described.
激光微冲击成形就是利用脉冲激光产生的高压等离子体的冲击力效应，使超薄板材产生塑性变形的新技术。
The high pressure plasma is created when transient, intensity laser pulse impinges on a black ablative layer painted on the surface of the target material.
激光微冲击成形就是利用脉冲激光产生的高压等离子体的冲击力效应，使超薄板材产生塑性变形的新技术。
The high pressure plasma is created when transient, intensity laser pulse impinges on a black ablative layer painted on the surface of the target material.
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