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The Difference Between Titanium Alloy And Aluminum Alloy

Nov 08, 2018

The difference between titanium alloy and aluminum alloy 

Titanium alloys are widely used in various fields due to their high strength, good corrosion resistance and high heat resistance. Many countries in the world have recognized the importance of titanium alloy materials, and have researched and developed them successively and have been applied in practice. The first practical titanium alloy was the Ti-6Al-4V alloy successfully developed in the United States in 1954 due to its heat resistance, strength, ductility, toughness, formability, weldability, corrosion resistance and biocompatibility. It is better to become the ace alloy in the titanium alloy industry. Of course, in the 1950s and 1960s, the development of high-temperature titanium alloys for aircraft engines and structural titanium alloys for aircrafts was developed. In the 1970s, a number of corrosion-resistant titanium alloys were developed. Since the 1980s, corrosion-resistant titanium alloys and high-strength titanium have been developed. The alloy has been further developed. Titanium alloys are mainly used to make aircraft engine compressor components, followed by structural components for rockets, missiles and high-speed aircraft. Next, I will explain the specific knowledge of titanium alloy, including the difference between titanium alloy and aluminum alloy, the main classification of titanium alloy, performance advantages, material selection of cutting tool, cutting characteristics, and cutting precautions.

The difference between titanium alloy and aluminum alloy

First, titanium alloy

1. Characteristics of titanium alloy: An alloy composed of other alloying elements based on titanium is called titanium alloy. Titanium alloy has the advantages of low density, high specific strength, good corrosion resistance and good process performance. It is an ideal aerospace engineering structural material.

2. Research scope: Titanium alloy can be divided into structural titanium alloy and heat-resistant titanium alloy, or α-type titanium alloy, β-type titanium alloy and α+β-type titanium alloy. The research scope also includes titanium alloy forming technology, powder metallurgy technology, rapid solidification technology, military and civilian use of titanium alloy.

Second, aluminum alloy

1. Aluminum alloy is made of pure aluminum by adding some alloying elements, such as aluminum-manganese alloy, aluminum-copper alloy, aluminum-copper-magnesium hard aluminum alloy, aluminum-zinc-magnesium-copper superhard aluminum alloy. Aluminum alloy has better physical and mechanical properties than pure aluminum: easy processing, high durability, wide application range, good decorative effect and rich color. Aluminum alloys are classified into rust-proof aluminum, hard aluminum, super-hard aluminum, etc. Each type has its own range of use and has its own code for users to choose.

2. The aluminum alloy still maintains the characteristics of light weight, but the mechanical properties are obviously improved. The application of aluminum alloy materials has the following three aspects: one is as a force member; the other is as a door, window, tube, cover, shell, etc.; the third is as a decorative and thermal insulation material. It can be made into various decorations by using the characteristics of coloring after anodizing the aluminum alloy. The surface of aluminum alloy sheets and profiles can be subjected to secondary processing such as anti-corrosion, ginning, painting and printing, and various decorative sheets and profiles are used as decorative materials.

Summary: It is said that both of them are alloy materials, which have the characteristics of light weight and good strength. However, titanium alloy has better strength than aluminum alloy, good rigidity and good plasticity. Therefore, titanium alloy is used in aviation materials.

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