Sliding Bearing Alloy
The "zinc-based alloy" in the classification of new plain bearing alloys is essentially different from the above-mentioned broad concept zinc-based alloys, and strictly speaking, it is not a class of materials.
Sliding bearing alloys require a certain degree of strength, elongation and hardness, and the most important thing is to have very good antifriction properties.
Good anti-friction properties are definitely not produced by mixing several related metal components together and melting them. It requires a complete process to ensure its performance. For example, diamond and graphite, diamond and graphite have the same chemical composition. If different processes are used, diamond or graphite can be produced; the molecular structure of diamond is triangular structure, and its characteristics are hard and can be used to make tools; The molecular structure of graphite is a parallel structure, its characteristics are very soft, can be used to make lubricants; diamond and graphite components are the same, its performance is very different.
The process of multi-alloy is much more complicated than the ternary alloy; the ternary alloy can be produced by one smelting and also by a secondary smelting process. Since the cost of secondary smelting is higher than that of a single smelting, many companies are willing to use a smelting process to produce ternary alloys. Multi-alloys are based on the addition of one or more alloying components to the ternary alloy. The smelting technique is naturally much more complicated. The general level of smelting technology wants to add one or more elements at will, but it is very difficult to join.