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Summary and latest research progress of new high performance aerospace materials

Summary and latest research progress of new high performance aerospace materials

  • Categories:Industry news
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  • Time of issue:2018-07-17
  • Views:400

(Summary description)Countries around the world attach great importance to the development of new materials and have launched a number of strategic policies to promote the development of new materials technology. The new materials industry in developed countries has its own characteristics and focuses on different fields. The United States focuses on research and development in the field of science and technology and maintains a leading position in the world. Japan not only attaches importance to the research and development of new materials, but also improves the performance of existing materials, so as to make the most of its limited resources. The EU New Materials Science and Technology Strategy aims to maintain its competitive advantage in such fields as aerospace materials.

Summary and latest research progress of new high performance aerospace materials

(Summary description)Countries around the world attach great importance to the development of new materials and have launched a number of strategic policies to promote the development of new materials technology. The new materials industry in developed countries has its own characteristics and focuses on different fields. The United States focuses on research and development in the field of science and technology and maintains a leading position in the world. Japan not only attaches importance to the research and development of new materials, but also improves the performance of existing materials, so as to make the most of its limited resources. The EU New Materials Science and Technology Strategy aims to maintain its competitive advantage in such fields as aerospace materials.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2018-07-17
  • Views:400
Information

Countries around the world attach great importance to the development of new materials and have launched a number of strategic policies to promote the development of new materials technology. The new materials industry in developed countries has its own characteristics and focuses on different fields. The United States focuses on research and development in the field of science and technology and maintains a leading position in the world. Japan not only attaches importance to the research and development of new materials, but also improves the performance of existing materials, so as to make the most of its limited resources. The EU New Materials Science and Technology Strategy aims to maintain its competitive advantage in such fields as aerospace materials.

In this paper, the present situation of research and application of new aerospace materials in the world is described in detail, the research achievements of new aerospace materials in China are introduced emphatic, and the development trend of new aerospace materials in the future is pointed out.
1, high performance light metal alloy

In order to meet the development requirements of lightweight, high reliability and high push ratio of space equipment platforms such as missiles and rockets, the high performance light metal alloys developed in foreign countries currently mainly include the third generation aluminum lithium alloy, high strength magnesium alloy, low cost titanium alloy and high temperature resistant alloy.


1.1 Third generation aluminum-lithium alloy


In the 1920s, Germany developed the first generation of aluminum lithium alloy. The disadvantages are obvious, such as weak ductility, poor toughness, difficult processing and high price, etc., which have not been paid enough attention [1]. After 1970, Europe and the United States and other countries developed the second generation of Al-Li alloy products, including the former Soviet Union's 1420 Al-Li alloy and the United States' 2090 Al-Li alloy and so on. The second generation Al-Li alloys also have problems, including low strength and low molding [2].

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