Question 15 (Textile Engineering & Fibre Science)
The shear characteristics of fabric are measured by
| (A) | KES-FB3 |
| (B) | FAST 3 |
| (C) | KES-FB2 |
| (D) | FAST 2 |
[Show Answer]
B
Frequently Asked Questions | FAQs
What is the shear deformation of fabric?
Shear deformation refers to the distortion of a fabric caused by forces that act in opposite directions parallel to the plane of the fabric. In other words, shear deformation occurs when one part of the fabric is pushed or pulled in a different direction than an adjacent part of the fabric, causing the fabric to deform.
Shear deformation can be seen in various types of fabrics, such as knitted fabrics, woven fabrics, and nonwoven fabrics. In woven fabrics, for example, shear deformation can occur when the fabric is subjected to forces that cause the yarns to slide past each other in a direction parallel to the plane of the fabric.
The extent of shear deformation that a fabric can undergo depends on several factors, including the type of fabric, the properties of the yarns used in the fabric, and the direction and magnitude of the forces applied to the fabric. In general, fabrics with high tensile strength and low elasticity are more resistant to shear deformation than fabrics with low tensile strength and high elasticity.
Shear deformation can have both positive and negative effects on the performance of a fabric. On the one hand, it can be used to create stretch fabrics that are comfortable and form-fitting. On the other hand, excessive shear deformation can cause a fabric to lose its shape, wrinkle easily, and become less durable over time. Textile manufacturers and designers must carefully consider the amount of shear deformation that a fabric can undergo when designing and producing textile products.