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    • 5. 发明申请
    • METHOD OF MAKING A CUTTING TOOL
    • 制作切割工具的方法
    • WO02049801A1
    • 2002-06-27
    • PCT/IB2001/002553
    • 2001-12-18
    • B23C5/10B22F20060101B22F7/06B23C20060101B23P20060101B23P15/32B23P15/34
    • B22F7/06B22F2003/247B22F2998/10B23P15/32B23P15/34Y10S76/11Y10S76/12B22F3/14B22F3/24
    • A method is provided for producing a cutting tool such as a twist drill, end mill or the like. The method includes the steps of providing an unbonded assembly comprising a cylindrical core (10) having ends (12, 14) and an elongate side surface (16) covered partially or completely by a coherent, unsintered layer (18) comprising ultra-hard abrasive particles for producing an ultra-hard material, subjecting the unbonded assembly to elevated temperature and pressure conditions at which the ultra-hard abrasive is crystallographically stable, recovering the sintered product which comprises a cylindrical core (10) and a layer of ultra-hard abrasive material bonded to the core and working the sintered product to produce one or more cutting edges in the layer of ultra-hard abrasive material.
    • 提供了一种用于生产诸如麻花钻,立铣刀等的切削工具的方法。 该方法包括以下步骤:提供一种非接合组件,其包括具有端部(12,14)的圆柱形芯部(10)和由部分或完全由相干的未烧结层(18)覆盖的细长侧表面(16) 用于生产超硬材料的颗粒,使未粘合的组件经受在超硬磨料在结晶学上稳定的升高的温度和压力条件下,回收包括圆柱形芯(10)和超硬磨料层 材料粘合到芯上并加工烧结产品以在超硬磨料材料层中产生一个或多个切削刃。
    • 6. 发明申请
    • METHOD FOR SHORTENING PRODUCTION TIME OF HEAT TREATED ALUMINUM ALLOY CASTINGS
    • 热处理铝合金铸件生产时间的方法
    • WO2004065043A3
    • 2004-10-28
    • PCT/US2004001921
    • 2004-01-21
    • ALCOA INCKAMAT RAJEEV GBENNON WILLIAM DMURTHA SHAWN J
    • KAMAT RAJEEV GBENNON WILLIAM DMURTHA SHAWN J
    • B22F20060101C22F1/04C22F1/047
    • C22F1/04C22F1/047
    • A method for producing a heat-treated aluminum alloy casting in a shortened period of time, the method comprising: (a) providing a heat treatable aluminum alloy casting at a solutionizing temperature; (b) first stage cooling the heat treatable aluminum alloy casting to a critical temperature at which precipitation of second phase particles of the heat treatable aluminum alloy casting is negligible, wherein the first stage cooling comprises a first stage cooling rate from about 15 DEG F per second to about 100 DEG F per second; (c) second stage cooling said heat treatable aluminum alloy casting to ambient temperature; (d) heating said heat treatable aluminum alloy casting to an artificial aging temperature; and (e) artificially aging said heat treatable aluminum alloy casting at said artificial aging temperature for a predetermined artificial aging time to form said heat-treated aluminum alloy casting.
    • 一种在短时间内制造热处理的铝合金铸件的方法,所述方法包括:(a)在溶解温度下提供可热处理的铝合金铸件; (b)第一阶段将可热处理的铝合金铸件冷却至可热处理的铝合金铸件的第二相颗粒的沉淀可忽略的临界温度,其中第一阶段的冷却包括从约15°F / 秒至约100°F /秒; (c)第二阶段将所述可热处理的铝合金铸件冷却至环境温度; (d)将所述可热处理的铝合金铸件加热至人造老化温度; 和(e)在所述人造时效温度下人造老化所述可热处理的铝合金铸件达预定的人造老化时间,以形成所述热处理的铝合金铸件。