Due to the different forms of external forces applied to the fabric, the degree of elasticity, elasticity, and plastic deformation of the fabric varies. The factors that affect the mechanical properties of the fabric, in addition to the mechanical properties of the fibers and yarns constituting the fabric itself, are the main factors, and the structure and processing methods of the fabric are also important factors that affect the mechanical properties of the fabric.
First, the tensile strength of the fabric
The tensile strength of a fabric can be expressed in terms of its breaking strength and elongation at break.
The breaking strength of a fabric refers to the maximum force that a fabric can withstand when it is pulled apart in a tensile test. Generally, the force is expressed in Newtons (N). The elongation at break of a fabric means that the fabric stretches to the maximum. The percentage of elongation at load breaking to the length before unstretched.
The damage to the fabric caused by the external force of stretching is one aspect of the durable properties of the fabric. Under general wear conditions, this type of damage is not much, but under repeated repeated stretching effects, the fatigue damage is more severe. The factors that affect the breaking strength and elongation at break of the fabric are various, such as the type and performance of the fiber material, the linear density and structure and characteristics of the yarn, the weaving conditions and methods of the fabric, the organization structure and density, and the processing after dyeing and finishing. Method etc.
Second, the fabric of the tear and burst
The tearability of the fabric can be expressed by the tear strength of the fabric. Tear strength of fabric refers to the force required to tear the fabric from the warp or weft direction under specified conditions, expressed in Newtons (N). The tear strength of the fabric is mainly determined by the strength of the yarn. In addition, the elongation at break and the structure of the fabric have a great influence on the tear strength. In general, the tear strength in the zonal direction is greater than the tear strength in the warp direction.
The bursting of the fabric can be expressed by the bursting strength of the fabric. The bursting strength of a fabric (also known as bursting strength) refers to the force required by a fluid pressure or a spherical object to act on the plane of the fabric in a predetermined direction to cause the fabric to expand and rupture. The main factors affecting the bursting strength are the raw materials of the fabric, the processing technology and the design of the fabric organization. Elastic elongation and so on. Because garment fabrics are subject to arc-shaped top pressure, such as knees, elbows, etc., the greater the elastic elongation of the fabric, the greater the contact area at the top pressure, and the lower the load per unit area, and the less destructive force. .
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