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Views: 4 Author: Site Editor Publish Time: 2021-07-29 Origin: Site
Fiberglass:
It is an inorganic non-metallic material with excellent properties. As a raw material, mineral material finally forms glass fiber through high melting, drawing, winding, weaving and other processes. The diameter of glass fiber is from a few microns to more than 20 meters, which is equivalent to one fifth to one tenth of the diameter of a hair wire. A bundle of fibers is composed of hundreds of thousands of monofilaments.
Characteristics of glass fiber:
It is generally believed that glass is a fragile and hard object and is not suitable for structural materials. However, if it is drawn into silk, its strength will increase greatly and it has softness, so it can become an excellent structural material after changing the shape with resin.
The strength of glass fiber increases as its diameter decreases. These characteristics make the use of glass fiber far more extensive than other kinds of fibers. Glass fiber has the following characteristics:
High tensile strength; High elastic coefficient; High impact strength; Chemical resistance; Low water absorption; Good heat resistance; There are many kinds of products processed; Transparent colloid; cheapness.
Carbon fiber:
Inorganic fiber composed of carbon. The carbon content of the fiber is greater than 90%. It is generally divided into three categories: ordinary type, high strength type and high model. Compared with glass fiber (GF), Young's modulus is more than 3 times; Compared with Kevlar fiber (kf-49), it not only has about twice the young's modulus, but also does not dissolve and swell in organic solvents, acids and bases, and has excellent corrosion resistance.
Carbon fiber is a kind of fibrous carbon material. It is a new material with higher strength than steel, lower density than aluminum, corrosion resistance than stainless steel, high temperature resistance than heat-resistant steel, conductivity like copper and electrical, thermal and mechanical properties.
Carbon fiber can be processed into fabric, felt, mat, tape, paper and other materials. In traditional use, carbon fiber is generally not used alone except as thermal insulation material. It is mostly added to resin, metal, ceramics, concrete and other materials as reinforcement to form composite materials. Carbon fiber reinforced composites can be used as aircraft structural materials, electromagnetic shielding and de electrifying materials, artificial ligaments and other body substitute materials, as well as in the manufacture of rocket shells, motor ships, industrial robots, automobile leaf springs and drive shafts. Carbon fiber is widely used in civil, military, construction, chemical, industrial, aerospace and super sports car fields.
