Zhang Junxi

Zhang Junxi

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Zhang Junxi, Han nationality, graduated from Changsha nonferrous metal engineering school. He was born in Xiyang County, Hunan Province in December 1930.

Zhang Junxi,

Male, born in December 1930 in Xiyang County, Hunan Province. He graduated from Changsha nonferrous metal engineering school in 1954 and was assigned to Beijing Nonferrous Metal Research Institute. After that, he studied in Amateur University for 4 years. In October 1962, the Research Institute of Zhuzhou Cemented Carbide Industry Co., Ltd. was engaged in the research of sintered aluminum heat-resistant alloy, high-temperature ceramics, ultra-fine carbonized shed powder, bullet proof clothing, cemented carbide for two drills and its welding process, non-uniform cemented carbide for mining, high-quality cemented carbide for mining by electrofusion method of tungsten carbide, and improving the service life of cemented carbide anvil. Now he is a professor level senior metallurgical engineer of Zhuzhou Cemented Carbide Tool Factory. The main achievements are as follows: from 1958 to 1962, the "sintered aluminum heat-resistant alloy" won the second prize of the new product of the Ministry of metallurgy, which filled the domestic blank; from 1972 to 1975, the "three high" pulverizing process was established, and the high-efficiency yk25 and yk25z mining alloys were developed, which won the National Science Conference award and the major scientific research achievement award of Hunan Province; from 1982 to 1985, the large diameter Φ 89x type alloy was jointly developed with the Northwest Research Institute of mining and metallurgy In 1985, it passed the ministry level technical appraisal, and in 1983, it was exported to Southeast Asia and other markets for the first time. From 1972 to 1983, it participated in the system engineering project of "Research on new materials, new technology and new technology of down the hole drilling tools in metallurgical mines" of the Ministry of metallurgy. In 1985, it won the first prize of national science and technology progress, and also won the first prize of national science and technology progress and a gold medal It was awarded the title of national expert by the State Science and Technology Commission; from 1985 to 1989, it shared the task of "production process and microstructure of mining non-uniform alloy" with Central South University of technology; in 1989, it passed the ministerial level technical appraisal, filling a blank in the field of cemented carbide; from 1992 to 1993, it undertook the task of "production of yg10e and yg8e high-quality cemented carbide by electro dissolving tungsten carbide", which was approved in January 1994 Through the technical appraisal of Zhuzhou science and Technology Commission, it fills another blank in the field of cemented carbide in China. He has published more than 10 papers at home and abroad, and published a monograph "hard gold bearing rock drilling bit material and brazing". From 1985 to 1986, he went to Singapore twice for drilling technology investigation. In June of this year, he wrote important papers and went to Orlando to attend the P / m'88 International Powder Metallurgy conference. In 1987, he was employed as the instructor of doctoral students in Central South University of technology. In 1986, the Hunan Provincial Committee of Jiusan Society awarded the title of "excellent member" and "advanced individual in building socialist spiritual civilization".