文献类型：专利

英文题名：Processing powder surface metallurgy strengthening macromolecular material as framework by mixing raw materials including spherical cast tungsten carbide powder, nickel, chromium and PTFE powder, rolling, molding, sand blasting and heating

作者：YU X;WANG Y;JIAO L;TU S;YANG L;FANG P;PAN F

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN106312044-A

申请日：2016-08-09

公开日：2017-01-11

语种：英文

收录：DERWENT

摘要：NOVELTY - Processing powder surface metallurgy strengthening macromolecular material as framework comprises uniformly mixing spherical cast tungsten carbide powder, nickel, chromium, boron, ferrosilicon and nickel-based alloy solder powder to obtain mixed powder, adding 15-25% PTFE powder, stirring and mixing, rolling, molding, sand blasting, entering in vacuum brazing furnace, vacuumizing to 10-3 Pa, heating to 200-400 degrees C at speed of 5-10 degrees C/minute, keeping for 0.5-1 hours, heating to 1000-1100 degrees C at speed of 10-15 degrees C/minute, keeping for 0.5-1 hours and cooling to room temperature. USE - Method for processing powder surface metallurgy strengthening macromolecular material as framework. DETAILED DESCRIPTION - Processing powder surface metallurgy strengthening macromolecular material as framework comprises uniformly mixing 50-600 pts. vol. spherical cast tungsten carbide powder, 320-776 pts. vol. nickel, 24-76 pts. vol. chromium, 11-33 pts. vol. boron, 16-48 pts. vol. ferrosilicon and 10-33 pts. vol. nickel-based alloy solder powder to obtain mixed powder, adding 15-25% PTFE powder, stirring and mixing, rolling, molding, sand blasting, entering in vacuum brazing furnace, vacuumizing to 10-3 Pa, heating to 200-400 degrees C at speed of 5-10 degrees C/minute, keeping for 0.5-1 hours, heating to 1000-1100 degrees C at speed of 10-15 degrees C/minute, keeping for 0.5-1 hours and cooling to room temperature.