Textile Physics Note-6

Fiber Migration: Fiber migration refers to the movement of fibers within a textile material due to various external forces such as washing, abrasion, or stretching. The migration of fibers can cause changes in the appearance, strength, and durability of the material. In textile physics, understanding the fiber migration phenomenon is crucial for predicting the performance and longevity of textile products.

Notes of Lecturer Mahmudul Hasan DWMTEC

1. Optical Properties: Optical properties refer to the interaction of light with a textile material. The way in which light interacts with the material can determine its appearance, color, and texture. Some of the optical properties of textile materials include color, gloss, opacity, and translucency. In textile physics, the study of optical properties can help in the development of new textile materials with desired optical properties.
2. Physical Structure of Fiber: The physical structure of fiber refers to the arrangement of molecules and microstructures within the fiber. The physical structure can affect the mechanical, thermal, and chemical properties of the fiber. Some of the physical structures of fibers include crystallinity, orientation, and cross-linking. Understanding the physical structure of fibers is essential in textile physics for predicting the properties of the fibers and developing new fibers with desired properties.
3. Yarn Geometry: Yarn geometry refers to the structure of yarn and its components, such as fibers and twists. The geometry of yarn can affect its strength, elasticity, and appearance. Some of the yarn geometries include the number of twists per unit length, the diameter of the yarn, and the arrangement of fibers within the yarn. In textile physics, understanding the yarn geometry is crucial for predicting the properties of the yarn and optimizing the production process.