[Super Hard News] Superhard materials must be developed to achieve its value. Reviewing the track of China's super-hard products constantly expanding, all are closely related to social needs, just as the need for cemented carbide blade grinding has promoted the birth of abrasive grade synthetic diamonds in China. The need for drilling engineering has promoted the development of high-strength diamonds. The need for oil drilling development has contributed to the development of polycrystalline diamond. The flourishing development of the stone industry and the construction industry has aroused the development of China's diamond industry, which has led to a sharp increase in diamond saw blades, which has led to the extraordinary development of the diamond industry. It can be seen that social demand is a huge driving force for the rapid development of the diamond industry. After the blind development of the diamond industry in the past few years, coupled with the landslide of the stone and construction industry, the supply of low-grade diamonds exceeded demand, causing the super-hard materials industry to fall into a difficult situation and a promising situation. Why is this obvious? What is the contrast? A very important reason is that the development speed of China's superhard materials and their applications lags far behind the development speed of superhard materials, continuously develops diamond product varieties, and opens up new fields of diamond application. The further development of diamonds is promising. We will cite some foreign application examples to make clues to think, so as to achieve the purpose of enhancing confidence. Related reading: Broadening the application of superhard materials products: http:// How to solve the problem of overcapacity in the superhard materials industry: http:// /articles/18723.html The international cubic boron nitride market: http:// Development of ultra-high pressure high temperature devices for synthetic diamonds: http:// /articles/18673.html Synthetic diamonds developed to functional materials: http:// [Corporate News] "Strive to develop local specialty industries and enable more rural affluent laborers to be on the spot Nearly employment and family reunion are happy.†On April 19, Zhou Yongkang, member of the Standing Committee of the Political Bureau of the CPC Central Committee, secretary of the Central Political and Legal Committee, and director of the Central Committee for Social Management and Comprehensive Management, said after visiting Hubei Exin Diamond Materials Company in Ezhou. At present, the construction of the productivity promotion center, technology research and development center, and tool testing center of the diamond tool industry cluster in Ezhou has achieved initial success. The cluster has a provincial diamond tool quality testing center, a provincial productivity promotion center, a diamond tool production training base, two enterprise technology research and development centers, and more than 100 senior professional titles with super-hard materials. More than 300 people, more than 1,000 junior professional and technical personnel. On the 27th, the expert group of the AQSIQ came to Ezhou to investigate the work of the National Diamond Tool Quality Inspection Center. Related reading: Hubei Exin: "hard" strength to promote "hard" industry: http:// River Engineering University Zou Wenjun and his party visited the South China company on-site inspection: http:// .org/articles/18615.html Mitsubishi will launch cutting tools for China: http:// Zhengzhou City Party and Government Study Group visited Huifeng: http://www. Idacn.org/articles/18617.html Summary of the company's work in the Yellow River Cyclone in 2012: http:// [Macroeconomics] Chinese Premier Wen Jiabao said in Hanover on April 23, the Chinese side Willing to import more German products, I hope that Germany will actively promote the EU to relax the export control of high-tech products to China. When talking about the joint efforts of China and Germany to expand bilateral trade, Wen Jiabao said that it is necessary to expand market openness, oppose trade protectionism, and strive to achieve the goal of bilateral trade volume reaching US$280 billion in 2015. China implements a policy of equal emphasis on import and export, and is committed to establishing a fair and competitive government procurement system, which treats all types of enterprises equally. China is willing to import more German products and hopes that Germany will actively promote the EU's export control of high-tech products to China. Related reading: Wen Jiabao hopes that Germany will promote EU's export control to China: http:// State Council's support for the development of small and micro enterprises' health development: http:// /18710.html The Vietnamese government stopped exporting iron ore: http:// Industrial profits in the first quarter fell by 1.3% year-on-year: http:// Html [Industry Chain] Since the reform and opening up, China's stone industry is booming and developing. The National Federation of Industry and Commerce Stone Industry Chamber of Commerce revealed that China's stone materials have reached the top in the world in terms of raw material production, processing capacity and foreign trade. At present, there are more than 40,000 stone enterprises in the country, and the stone processing capacity has exceeded 200 million square meters per year. According to incomplete statistics, the income from the main business of stone enterprises above designated size increased from RMB 16.8 billion in 2000 to about RMB 150 billion in 2008. In the stone industry, the production capacity and sales revenue of stone enterprises below the scale and the enterprises above the scale are almost 1:1. It is estimated that the total sales of the domestic stone industry is more than 300 billion yuan. On the one hand, China's stone consumption market is unprecedentedly large. On the other hand, the brand of Chinese-made Shandong stone has never been established. The cruel reality of the low price of domestic stone materials directly leads to the unprecedented situation of Chinese stone in the international market competition. Related reading: China's stone industry status analysis and future development: http:// The top ten most influential events in the stone industry in 2011: http:// /articles/18582.html The gap between the quality of Chinese machine tools and advanced countries: http:// Domestic CNC machine tools are moving towards the mid- to high-end market and key areas: http:// .org/articles/18631.html Protecting Strategic Resources Don't Let Graphite Become Another Rare Earth: http:// Chinese government rectifies rare earth mining in line with WTO rules: http:// .org/articles/18695.html Photovoltaic Dilemma: Polysilicon Stops Production Tendency Tests New Energy Development: http:// High Cost Inventory Retires Solar PV Market: http:// .org/articles/18702.html [Technical Information] Orthogonal Test Study of Diamond Wire Saw Sawing Glass-ceramics: http:// Diamond Wire-cut Monocrystalline Silicon Surface Defects and Saws Wire wear analysis: http: // Research on polycrystalline diamond EDM ultrasonic mechanical composite processing technology: http:// Electroplating CBN grinding wheel and stone dressing effect and evaluation research: Http:// More technical information: http:// [Editing Vision] Japanese scientists in a high-pressure high-temperature environment device that reproduces the original earth It was found that the diamond did not change under high temperature and high pressure. However, the density of the peridotite changed a lot after it melted. When the temperature exceeds the melting point of the peridotite (2360 degrees) and the pressure reaches 200,000 × 105 Pa, the rocks in the upper and lower parts are concentrated in the aggregate layer due to the difference in density between the magma and the diamond. Applying this phenomenon to the original earth state, it can be inferred that the diamond should "float" in the mantle of 400~600km underground. In addition, researchers have recently discovered that the depth of the underground is less than 400km. Diamond can be produced in a state of 200,000 x 105 Pa. According to the Russian News Agency, the Russian geological mineralogist Selek speculated that there are inexhaustible diamonds in the hundreds of kilometers below the surface. The evidence is that some diamond-bearing magmatic rocks and these magma are brought from deep in the earth. In the rock fragments, the diamond content is 50 to 300 times more than the breccia cloud olivine, and some even more than 30,000 times. Related reading: Where will the future natural diamond resources come from: http:// Giant pear drill will witness the rise and fall of the four royal families in Europe: http:// .html 2012 China's building materials products foreign trade development program: http://
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