What are the advantages and disadvantages of zinc alloy?

by:JunQi     2021-08-29
Handbags and luggage hardware accessories are mainly made of zinc alloy, followed by copper, stainless steel, aluminum alloy, etc. Let Xiaodi give you a brief introduction. What is zinc alloy? Before understanding the advantages and disadvantages of zinc alloys, let me give you a popular science about what kind of material is zinc alloy. 1. Zinc alloy is an alloy formed by adding other elements based on zinc. Commonly added alloying elements are: aluminum, copper, magnesium, cadmium, lead, titanium, etc., which is a material containing multiple elements. The structure of zinc alloy is mainly composed of a zinc-rich solid solution containing Al and Cu and an Al-rich solid solution containing Zn, and their solubility will decrease with the decrease of temperature. Therefore, be very careful when processing and using. However, due to the extremely fast solidification rate of die castings, the solubility of solid solution at room temperature is greatly saturated. Zinc alloy die castings are not suitable for use in high and low temperature working environments. Zinc alloy has better mechanical properties at room temperature. 2. Advantages and disadvantages of zinc alloys: It is reported that zinc alloys have good fluidity, are easy to weld, braze, and are resistant to corrosion; they are also highly plastic, even if they are scraps, they can be recycled for remelting. At the same time, they can be die-cast with complex and thin shapes. For precision parts of the wall, the surface of the casting is smooth. It can also be used for surface treatment such as electroplating, spraying, painting, polishing, grinding, etc. It has good normal temperature mechanical properties and wear resistance casting. The zinc alloy has good fluidity and corrosion resistance. It is suitable for die-casting instruments and auto parts shells. The disadvantage is that it has a low melting point, but it melts at 385°C and is easy to be die-casted; while melting and die-casting, it does not absorb iron, corrode the profile, and does not stick to the mold. Secondly, the creep strength is not high, spontaneous combustion and dimensional changes are prone to occur. In addition, according to the processing technology, it can be divided into two categories: cast zinc alloy and wrought zinc alloy. In summary, zinc alloy hardware accessories are preferred for bag hardware. JunQi Hardware is a manufacturer specializing in die-casting hardware accessories. Everyone is welcome to customize with drawings and samples.
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