Tensile Strength in Silicon Carbide and Graphite

If you're interested in learning more about the properties of silicon carbide, you've come to the right place. This article explores tensile strength in silicon carbide and graphite, compo-casting procedures for silicon carbide, and crack propagation. Hopefully, this will answer some of your questions, and help you make better, more informed decisions.

Graphite vs SiC tensile strength

The tensile strength of a graphite versus SiC composite is dependent on the volume fraction of graphite. The mechanical properties of graphite are listed in Table 3. The graphite volume fraction is highly sensitive to the interface bonding. Composites made from coated graphite have higher mechanical properties than those made of raw graphite. This is primarily due to weak bonding between the graphite and metal matrix.

Compo-casting procedure for silicon carbide tensile strength

The compo-casting procedure is a proven method for producing strong materials with a metal base. Its basic process involves adding reinforcement particles during the semi-solid melt of the basic alloy. This process has the advantage of being cost-effective and can achieve optimal distribution of reinforcement elements. Moreover, it allows further processing of the composite material.

SiCw dispersion

Doping silicon carbide with SiCw improved tensile strength and increased the maximum cracking load, as well as delayed tip cracking. It also enhanced fracture toughness and CMOD. An optimal doping amount was 0.1%, while a higher dosage led to inhomogeneous SiCw dispersion and decreased strength.

Crack propagation

In a recent study, the crack propagation in silicon carbide tensil strength was investigated using a laser welding process. This process was designed to counteract the strengthening effect of the heat treatment, while preserving the mechanical properties of the material. The result was a breakthrough in SiCp/2A14Al joint tensile strength.

Pull-out mechanism

Carbon fiber reinforced silicon carbide composites are promising materials for ultra-high-temperature structural applications. However, most of the studies performed on C/SiC composites have been conducted at moderate temperatures. In this study, we investigated the tensile properties of two-dimensional plain-weave C/SiC composites at higher temperatures. Our results showed that the material's Young's modulus increases significantly at low temperatures, and decreases rapidly as the temperature rises.

• Previous: Silicon Carbide Made in China
• Next: Silicon Carbide Grinding Wheel