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powder metallurgy造句
1. High strength bolts factory and powder metallurgy plant. 2. There are four main technological methods: powder metallurgy, liquid infiltration squeeze casting and compocasting. 3. Then the powder metallurgy gear is compared with gear made of alloy cast iron. 4. Use: Used in the powder metallurgy of oil - contained bearings and mechanical structure parts. 5. A new process in powder metallurgy materials - shock compaction has been summarized. 6. Metal powder production is the essential base for powder metallurgy. 7. Fettite magnets are made through powder metallurgy by mixing barium or strontium with Fe 2 O 3. 8. The powder metallurgy of high aluminium zinc alloy and its tribological characteristics have been studied. 9. Bruce said the main high-speed steel powder metallurgy process: Add a pre-alloyed powder metallurgical high speed steel components, induction-melting furnace, and then made the gas spray granulation. 10. A stress analysis of a Powder Metallurgy (PM) turbine disc was accomplished by finite element method. 11. This product is manufactured by powder metallurgy through compacting and pressure working. 12. The utilization factor of materials for powder metallurgy parts can reach 100%, it is the important way to reduce the production cost of titanium and its alloy parts. 13. Scope: Manufacture of powder metallurgy products . Manufacturepowder metallurgy products. 14. Using WF6 and H2 as raw materials, tungsten plate formed by powder metallurgy as substrate, the deformable tungsten ingots were prepared successfully by a hot-wire CVD experimental facility. 15. A support material with low expansivity and high conductivity, called DG alloy, was prepared by powder metallurgy. The effects of sintering process on its properties and microstructure were studied. 16. The double-phase composite material of the aluminum alloy and the neodymium iron boron type rare earth permanent magnet material is prepared by using a powder metallurgy method. 17. Fly ash strengthened aluminium matrix composite was prepared using powder metallurgy technique. 18. PM 304 composite has been prepared by high energy ball milling and powder metallurgy. 19. Various new techniques and new materials developed by Byelorussian Impulse and Powder Metallurgy Group are briefly introduced with special reference to the prospects of their applications. 20. The iron - base and iron - copper base powder metallurgy brake shoes materials for quasi - high - speed electric locomotive were studied. 21. Advantage and defect of semi - metallic , none - asbestos polymer and powder metallurgy were discussed. 22. The elementary knowledge about significant digits as well as the stipulations for them in powder metallurgy standards are briefly introduced. In addition, some examples are given for illustration. 23. In view of the existing problems of current electric locomotive pantograph slide plates, a new panto- graph slide plate is developed by using powder metallurgy technology. 24. Aimed at using property require of maglev, a type of copper-graphite collector shoe material was prepared by means of the powder metallurgy method. 25. Metal Injection Molding, One step Vacuum de - wax sintering process, Powder metallurgy monthly. 26. By material analysis, prescription contrast and market research , we finally find the powder metallurgy material prescription of brake shoe , which adapt to the market demand better. 27. It is widely used to improve mechanical properties of iron-based powder metallurgy parts, defend causticity and air sealing by high-temperature steam treatment. 28. Powder forging (P/F) is a new-style and high-performance plastic forming technology which combines conventional powder metallurgy (P/M) with precision forging techniques. 28.try its best to gather and build good sentences. 29. The invention relates to a magnesium-manganese master alloy prepared by a powder metallurgy method and a preparation method thereof. 30. The silver base materials containing MgF 2 were synthesized by powder metallurgy method.