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衣服穿着后,胳膊肘、膝盖处出现变形、起包的现象,是由于人体运动使衣服和人体部位之间形成可动态接触。在人体和衣服动态接触过程中,服装以相对滑移和面料变形来适应人体变化。面料变形会产生织物内应力,包括拉伸、压缩、剪切和弯曲应力。长期的织物内应力变化导致服装内部结构的逐步损坏和弹性回复性能的衰减,最终
After wearing clothes, elbows, knees at the deformation, the phenomenon from the package, is due to human movement so that the formation of clothes and body parts can be dynamic contact. In the process of dynamic contact between human body and clothes, the clothing is relatively slippery and the fabric is deformed to adapt to human body changes. Fabric deformation will produce fabric stress, including tensile, compression, shear and bending stress. Long-term changes in the fabric internal stress led to the gradual deterioration of the internal structure of the garment and the attenuation of elastic recovery performance, and ultimately