Some metals such as cobalt nickelchrome and so on can corrade the element in high temperature melting state and affect the service life of element.
部分金属如钴、镍、铬等在高温熔化状态可以对元件造成侵蚀，影响元件的寿命。
3
Self-lubricating wear resistant coating is prepared by plasma spraying using chromium carbide, nickelchrome, fluoride-metal, and silver composite materials.