Method for refining microstructures of cast titanium articles
    21.
    发明授权
    Method for refining microstructures of cast titanium articles 失效
    精制钛制品微观结构的方法

    公开(公告)号:US4482398A

    公开(公告)日:1984-11-13

    申请号:US574433

    申请日:1984-01-27

    IPC分类号: C22F1/18

    CPC分类号: C22F1/183

    摘要: The microstructure of titanium alloy castings is improved by a process which comprises beta-solution heat treating the cast article at or near the beta-transus temperature of the alloy, cooling the article to room temperature at a rate in excess of air cooling and aging the article at a temperature about 0.8 to 0.9 of the beta-transus.

    摘要翻译: 钛合金铸件的显微组织通过包括在合金的β转子温度或其附近的β溶液热处理铸造制品的方法得到改进,以超过空气冷却的速率将制品冷却至室温并老化 β-葡萄糖转运蛋白的温度约为0.8至0.9。

    Method to produce fatigue resistant axisymmetric titanium alloy
components
    22.
    发明授权
    Method to produce fatigue resistant axisymmetric titanium alloy components 失效
    生产耐疲劳轴对称钛合金部件的方法

    公开(公告)号:US5039356A

    公开(公告)日:1991-08-13

    申请号:US571693

    申请日:1990-08-24

    IPC分类号: C22F1/18

    CPC分类号: C22F1/183

    摘要: An improved process for producing near-alpha and alpha+beta titanium alloy axisymmetric components with high fatigue resistance which comprises the steps of:(a) providing a beta processed near-alpha or alpha+beta titanium alloy component;(b) torque deforming the component; and(c) alpha+beta recrystallization annealing the resulting torque-deformed component.

    摘要翻译: 一种用于生产具有高抗疲劳性的近α和α+β钛合金轴对称组分的改进方法,其包括以下步骤:(a)提供β加工的近α或α+β钛合金组分; (b)扭矩变形部件; 和(c)对所得扭矩变形部件进行α+β再结晶退火。

    Method for refining the microstructure of beta processed ingot
metallurgy titanium alloy articles
    23.
    发明授权
    Method for refining the microstructure of beta processed ingot metallurgy titanium alloy articles 失效
    精炼β型加工锭冶金钛合金制品微观结构的方法

    公开(公告)号:US5032189A

    公开(公告)日:1991-07-16

    申请号:US498881

    申请日:1990-03-26

    IPC分类号: C22F1/18

    CPC分类号: C22C14/00 C22F1/183

    摘要: Near-alpha and alpha+beta titanium alloy components are produced by a process which comprises the steps of forging an alloy billet to a desired shape at a temperature at or above the beta-transus temperature of the alloy to provide a forged component, heat treating the forged component at a temperature approximately equal to the beta-transus temperature of the alloy, cooling the component at a rate in excess of air cooling to room temperature, annealing the component at a temperature in the approximate range of 10 to 20% below said beta-transus temperature for about 4 to 36 hours, and air cooling the component to room temperature.

    摘要翻译: 近α和α+β钛合金组分通过一种方法生产,该方法包括以下步骤:在等于或高于合金的β-转变温度的温度下将合金坯料锻造成所需形状,以提供锻造成分,热处理 所述锻造部件在大约等于所述合金的β转子温度的温度下,以超过空气冷却至室温的速率冷却所述部件,将所述部件在大约10至20%的范围内的温度退火,低于所述 β转子温度约4至36小时,并将组分空气冷却至室温。

    Method for refining microstructures of blended elemental titanium powder
compacts
    24.
    发明授权
    Method for refining microstructures of blended elemental titanium powder compacts 失效
    用于精炼混合元素钛粉末压块的微观结构的方法

    公开(公告)号:US4808250A

    公开(公告)日:1989-02-28

    申请号:US128840

    申请日:1987-12-04

    IPC分类号: B22F3/24 C22F1/18

    CPC分类号: B22F3/24 C22F1/183

    摘要: A method for improving the microstructure of blended elemental titanium alloy compacted articles which comprises the steps of hydrogenating the article at a temperature of about 780.degree. to 1020.degree. C. to a hydrogen level of about 0.50 to 1.50 weight percent, cooling the thus-hydrogenated article to room temperature at a controlled rate, heating the thus-cooled, hydrogenated article to a temperature of about 650.degree. to 750.degree. C. and applying a vacuum to dehydrogenate the article, and cooling the thus-dehydrogenated article to room temperature at a controlled rate.

    摘要翻译: 一种用于改进共混元素钛合金压实制品的显微组织的方法,其包括在约780℃至1020℃的温度下将制品氢化至约0.50至1.50重量%的氢气水平的步骤,将如此氢化 将物料以受控的速率加热至室温,将如此冷却的氢化物品加热至约650℃至750℃的温度,并施加真空以使制品脱氢,并将如此脱氢的制品冷却至室温 控制率。

    Method to reveal microstructures in single phase alloys
    27.
    发明授权
    Method to reveal microstructures in single phase alloys 失效
    揭示单相合金微观结构的方法

    公开(公告)号:US4548903A

    公开(公告)日:1985-10-22

    申请号:US595153

    申请日:1984-03-30

    IPC分类号: G01N1/32 G01N33/20 G01N21/88

    CPC分类号: G01N1/32 G01N33/20

    摘要: A method for revealing the microstructure of metal alloys which comprises the steps of polishing the sample, chemically etching the polished metal surface, thermally etching the chemically etched surface and quenching the thermally etched sample. This method allows observation of deformed and recrystallized grains on the same polished surface and provides the opportunity to correlate recrystallized grains to their nucleation sites.

    摘要翻译: 揭示金属合金的显微组织的方法包括以下步骤:抛光样品,化学蚀刻抛光的金属表面,热蚀刻化学蚀刻的表面并淬火热蚀刻的样品。 该方法允许在相同的抛光表面上观察变形和再结晶的晶粒,并且提供将再结晶晶粒与其成核位点相关联的机会。

    Method for refining microstructures of blended elemental powder
metallurgy titanium articles
    28.
    发明授权
    Method for refining microstructures of blended elemental powder metallurgy titanium articles 失效
    混合元素粉末冶金钛制品微观结构的方法

    公开(公告)号:US4536234A

    公开(公告)日:1985-08-20

    申请号:US617447

    申请日:1984-06-05

    IPC分类号: B22F3/24 C22C1/04 B22F3/00

    CPC分类号: B22F3/24 C22C1/0458

    摘要: A method for improving the microstructure of an article made by powder metallurgy of blended elemental titanium powder which comprises beta-solution heat treating the article at a temperature approximately equal to the beta-transus of the equivalent alloy, rapidly cooling the article, annealing the article at a temperature about 10 to 20% below the beta-transus and air cooling to room temperature. The resulting article has a fine alpha plate structure in a matrix of discontinuous beta phase.

    摘要翻译: 一种用于改善由掺合元素钛粉末的粉末冶金制成的制品的显微组织的方法,其包括在约等于等效合金的β转子的温度下对制品进行β-溶液热处理,快速冷却制品,使制品退火 在比β转子低约10至20%的温度下,空气冷却至室温。 所得制品在不连续的β相的基质中具有良好的α板结构。