最后分别分析了材料性质、截面长宽比、管长和壁厚对最终变形模式的影响。
Moreover, the influences of material property, section properties, tube length and thickness to ultimate deformation modes are studied respectively.
进而分析了管道内压、壁厚、裂纹止裂长度和初始裂纹速度对裂纹驱动力(也即裂纹扩展)的影响。
Meanwhile, the influences of pipeline internal pressure, wall thickness, crack arrest length and initial crack velocity on the crack driving force (crack propagation) are further studied.
探讨了影响注射成型厚壁塑料制品收缩变形的一些因素，提出了对实际生产有指导作用的建议。
Several factors affecting on contraction deformation of thick section injection moulding articles were investigated. Some practical proposals were given.
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