Most materials conventionally found in nature expand with an increase in temperature. In
actual systems and assemblies like precision instruments, this can cause thermal distortions …

A conventional cast-on (CCO) method requires costly procedures for steel insert and molten
metal processing in order to produce bimetal sand castings of acceptable bonding quality …

For the development of new energy automobile industry and the trend of automobile
lightweight have put forward a huge demand for high-strength lightweight materials, so …