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    • 4. 发明申请
    • PROCESSING OF ALPHA-BETA TITANIUM ALLOYS
    • α-β钛合金的加工
    • WO2017091458A1
    • 2017-06-01
    • PCT/US2016/062690
    • 2016-11-18
    • ATI PROPERTIES LLC
    • FOLTZ, IV, John, W.GARSIDE, Gavin
    • C22C14/00C22F1/18
    • F16B33/00C22C14/00C22F1/183F16B19/04F16B37/00F16B39/24F16B43/00
    • A method for increasing tensile strength of a cold workable alpha-beta titanium alloy comprises solution heat treating a cold workable alpha-beta titanium alloy in a temperature range of T β - 106°C to T β - 72.2°C for 15 minutes to 2 hours; cooling the alpha-beta titanium alloy at a cooling rate of at least 3000°C/minute; cold working the alpha-beta titanium alloy to impart an effective strain in the range of 5 percent to 35 percent in the alloy; and aging the alpha-beta titanium alloy in a temperature range of T β - 669°C to T β - 517°C for 1 to 8 hours. Fastener stock and fasteners including solution treated, quenched, cold worked, and aged alpha-beta titanium alloys are also disclosed.
    • 一种用于增加可冷加工α-β钛合金的抗拉强度的方法,包括在Tββ的温度范围内对可加工α-β钛合金进行固溶热处理, 在-106℃至T-β-72.2℃下保持15分钟至2小时; 以至少3000℃/分钟的冷却速率冷却α-β钛合金; 冷加工α-β钛合金以赋予合金中5%至35%范围内的有效应变; 并且在Tββ-669℃至Tββ-β的温度范围内老化α-β钛合金, -517℃保持1至8小时。 也公开了紧固件原料和紧固件,包括固溶处理,淬火,冷加工和老化的α-β钛合金。
    • 8. 发明申请
    • TITANIUM ALLOY
    • 钛合金
    • WO2016114956A1
    • 2016-07-21
    • PCT/US2016/012276
    • 2016-01-06
    • ATI PROPERTIES, INC.;
    • FOLTZ, John, W.
    • C22C14/00C22F1/18
    • C22C14/00C22F1/183
    • An alpha-beta titanium alloy comprises, in weight percentages: an aluminum equivalency in the range of 2.0 to 10.0; a molybdenum equivalency in the range of 0 to 20.0; 0.3 to 5.0 cobalt; and titanium. In certain embodiments, the alpha-beta titanium alloy exhibits a cold working reduction ductility limit of at least 25%, a yield strength of at least 130 KSI (896.3 MPa), and a percent elongation of at least 10%. A method of forming an article comprising the cobalt-containing alpha-beta titanium alloy comprises cold working the cobalt-containing alpha-beta titanium alloy to at least a 25 percent reduction in cross-sectional area. The cobalt- containing alpha-beta titanium alloy does not exhibit substantial cracking during cold working.
    • α-β钛合金以重量百分数表示:铝当量在2.0至10.0的范围内; 在0至20.0范围内的钼当量; 0.3〜5.0钴; 和钛。 在某些实施方案中,α-β钛合金表现出至少25%的冷加工降低延性极限,至少130KSI(896.3MPa)的屈服强度和至少10%的伸长率。 形成包含含钴α-β钛合金的制品的方法包括将含钴α-β钛合金冷加工成至少25%的横截面积减小。 含钴的α-β钛合金在冷加工过程中不会发生明显的裂纹。
    • 9. 发明申请
    • METHOD FOR PRODUCING TITANIUM-ALUMINUM COMPONENTS
    • 生产TIAL组件的方法
    • WO2015081922A9
    • 2015-10-22
    • PCT/DE2014000598
    • 2014-11-25
    • HANSEATISCHE WAREN HANDELSGMBH & CO KG
    • HEMPEL ROBERT PATRICKVOIGT PATRICK
    • C22C14/00C22F1/18F01D5/28
    • C22F1/183C22C14/00F05D2220/40F05D2230/25F05D2300/174F05D2300/60
    • The invention relates to a method for producing a component from a titanium-aluminum base alloy. The component is intended in particular as a component for turbocharger units of internal combustion engines. The method comprises the following steps: heating cast starting material within the (α+β) phase region to a temperature at which the β phase has at least 5 vol%, forging the heated starting material into a forged blank by means of impact forming at a rate of form change of ≥ 19 1/s, wherein the forged blank has no burrs after the forging, removing the forged blank from the die and cooling the forged blank in a controlled, even manner, wherein the forged blank has a proportion of β/B2 Ti phase of at most 10 vol% after the cooling to room temperature, and further processing the forged blank into the final product.
    • 本发明涉及由钛 - 铝基合金制造部件的方法。 该部件特别用作内燃机的涡轮增压器单元的部件。 该方法包括以下步骤: - 在(α+β)中的铸造原料的加热 - 相位区以在该β相是至少5%(体积)的温度, - 在加热的原料的锻造来锻造坯通过吹塑用成形 的≥19 1 / s的应变速率,其中,所述锻造坯件通过连续晶界结晶锻造后形成, - 去除所述锻造从模具坯料和控制的,均匀的冷却的,其中,所述锻造坯件冷却至室温,将β/ B2-Ti相的一部分后 最多10体积%,以及 - 对最终产品进行空白锻造的进一步加工。