Method to produce titanium alloy articles with high fatigue and fracture
resistance
    1.
    发明授权
    Method to produce titanium alloy articles with high fatigue and fracture resistance 失效
    生产具有高疲劳和抗断裂性的钛合金制品的方法

    公开(公告)号:US4828793A

    公开(公告)日:1989-05-09

    申请号:US198804

    申请日:1988-05-06

    IPC分类号: B22F7/06

    CPC分类号: B22F7/06

    摘要: A method for producing an integral titanium alloy article having at least o regions, each region having a distinct microstructure, which comprises the steps of(a) providing a suitable mold for the article;(b) introducing a first titanium alloy into a first portion of the mold;(c) introducing a second titanium alloy in powder form into a second portion of the mold; and(d) hot compacting the first and second alloys in the mold to produce a substantially fully dense article.The second alloy may be the hydrided version of the first alloy, or may have a different overall composition from the first alloy, or may be hydrided and have a different overall composition from the first alloy.

    摘要翻译: 一种用于生产具有至少两个区域的整体钛合金制品的方法,每个区域具有不同的微结构,其包括以下步骤:(a)为所述制品提供合适的模具; (b)将第一钛合金引入模具的第一部分; (c)将粉末形式的第二钛合金引入模具的第二部分; 和(d)在模具中热压第一和第二合金以产生基本上完全致密的制品。 第二合金可以是第一合金的氢化形式,或者可以具有与第一合金不同的总体组成,或者可以是水合的并且具有与第一合金不同的总体组成。

    Method for developing ultrafine microstructures in titanium alloy
castings
    2.
    发明授权
    Method for developing ultrafine microstructures in titanium alloy castings 失效
    在钛合金铸件中开发超细微结构的方法

    公开(公告)号:US4820360A

    公开(公告)日:1989-04-11

    申请号:US128839

    申请日:1987-12-04

    IPC分类号: C22F1/18

    CPC分类号: C22F1/183

    摘要: A method for improving the microstructure of cast titanium alloy articles which comprises the steps of hydrogenating the cast article at a temperature near or above the titanium-hydrogen eutectoid of 815.degree. C. (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., applying a vacuum to dehydrogenate the article, and cooling the thus-dehydrogenated article at a controlled rate.

    摘要翻译: 一种改进铸钛合金制品微观结构的方法,其特征在于包括以下步骤:将铸造制品在接近或高于815℃(约780℃至1020℃)的钛 - 氢共析物温度下氢化至氢 水平为约0.50至1.50重量%,以受控的速率将如此氢化的制品冷却至室温,将如此冷却的氢化制品加热至约650℃至750℃的温度,施加真空以使 制品,并以受控的速率冷却如此脱氢的制品。

    Method to produce metal matrix composite articles from lean metastable
beta titanium alloys
    3.
    发明授权
    Method to produce metal matrix composite articles from lean metastable beta titanium alloys 失效
    从贫亚稳β钛合金制备金属基复合材料制品的方法

    公开(公告)号:US4807798A

    公开(公告)日:1989-02-28

    申请号:US935362

    申请日:1986-11-26

    CPC分类号: C22C49/11 C22C47/20

    摘要: A method for fabricating an improved titanium alloy composite consisting of at least one high strength/high stiffness filament or fiber embedded in an alpha-beta titanium alloy matrix which comprises the steps of providing a rapidly-solidified foil made of a lean metastable beta titanium alloy, fabricating a preform consisting of alternating layers of the rapidly-solidified foil and the filamentary material, and applying heat and pressure to consolidate the preform, wherein consolidation is carried out at a temperature below the beta-transus temperature of the alloy.

    摘要翻译: 一种用于制造由至少一种高强度/高刚性长丝或嵌入在α-β钛合金基质中的纤维组成的改进的钛合金复合材料的方法,该方法包括以下步骤:提供由亚稳态β钛合金制成的快速固化的箔 制造由快速固化的箔和丝状材料的交替层组成的预成型体,并施加热和压力以固结预成型件,其中在低于合金的β-转变温度的温度下进行固结。

    Method to produce metal matrix composite articles from alpha-beta
titanium alloys
    4.
    发明授权
    Method to produce metal matrix composite articles from alpha-beta titanium alloys 失效
    从α-β钛合金制备金属基复合材料的方法

    公开(公告)号:US4733816A

    公开(公告)日:1988-03-29

    申请号:US936679

    申请日:1986-12-11

    IPC分类号: C22C47/20 B23K20/00 B23K31/00

    CPC分类号: C22C47/20

    摘要: A method for fabricating an improved titanium alloy composite consisting of at least one high strength/high stiffness filament or fiber embedded in an alpha-beta titanium alloy matrix which comprises the steps of providing a rapidly-solidified foil made of an alpha-beta titanium alloy, fabricating a preform consisting of alternating layers of the rapidly-solidified foil and the filamentary material, and applying heat and pressure to consolidate the preform, wherein consolidation is carried out at a temperature below the beta-transus temperature of the alloy.

    摘要翻译: 一种制造由至少一种高强度/高刚性长丝或嵌入在α-β钛合金基质中的纤维组成的改进的钛合金复合材料的方法,其包括以下步骤:提供由α-β钛合金制成的快速固化箔 制造由快速固化的箔和丝状材料的交替层组成的预成型体,并施加热和压力以固结预成型件,其中在低于合金的β-转变温度的温度下进行固结。

    Method for producing alpha titanium alloy pm articles
    5.
    发明授权
    Method for producing alpha titanium alloy pm articles 失效
    生产α钛合金薄膜制品的方法

    公开(公告)号:US4931253A

    公开(公告)日:1990-06-05

    申请号:US392673

    申请日:1989-08-07

    IPC分类号: C22C1/04 C22F1/18

    CPC分类号: C22C1/0458 C22F1/183

    摘要: A method for producing a titanium alloy powder metallurgy article having high resistance to loading and creep at high temperature is described and comprises the steps of simultaneously pressing a preselected quantity of titanium alloy powder at from 15 to 60 ksi and heating the powder to a temperature just below the beta transus temperature of the alloy to promote beta to alpha phase transformation in the alloy, and then slowly cooling the compacted powder under pressure.

    摘要翻译: 描述了一种在高温下具有高耐载荷和蠕变性的钛合金粉末冶金制品的制造方法,其特征在于包括以下步骤:将预选量的钛合金粉末按15至60ksi同时加压至仅仅温度 低于合金的β转变温度以促进合金中的β相转变,然后在压力下缓慢冷却压实的粉末。

    Method for producing titanium aluminide foil
    6.
    发明授权
    Method for producing titanium aluminide foil 失效
    铝化铝箔的制造方法

    公开(公告)号:US4917858A

    公开(公告)日:1990-04-17

    申请号:US387925

    申请日:1989-08-01

    IPC分类号: B22F3/18 C22C1/04

    CPC分类号: B22F3/18 C22C1/0458

    摘要: A method for producing foil of titanium aluminide is described which comprises providing a preselected quantity of blended powder of chloride free commercially pure elemental titanium, aluminum and other alloying metal(s) in preselected proportions, rolling the blended powder into a green foil, sintering the green foil, and thereafter pressing the sintered foil to full density.

    摘要翻译: 描述了一种用于生产钛铝化物箔的方法,其包括以预定比例提供预选量的无氯化物的商业纯的元素钛,铝和其它合金金属的混合粉末,将混合粉末轧制成绿色箔,烧结 绿色箔,然后将烧结箔压制成全密度。

    Method for improving the microstructure of titanium alloy wrought
products
    7.
    发明授权
    Method for improving the microstructure of titanium alloy wrought products 失效
    改善钛合金锻造产品微观结构的方法

    公开(公告)号:US4872927A

    公开(公告)日:1989-10-10

    申请号:US128841

    申请日:1987-12-04

    IPC分类号: C22F1/18

    CPC分类号: C22F1/183

    摘要: A method for improving the microstructure of wrought titanium alloy material which comprises the steps of hydrogenating the material at a temperature near or above the titanium-hydrogen eutectoid of 815.degree. C. (about 780.degree. to 1020.degree. C.) to a hydrogen level of about 0.50 to 1.50 weight percent, cooling the thus-hydrogenated material to room temperature, heating the thus-cooled, hydrogenated material to a temperature of about 650.degree. to 750.degree. C., applying a vacuum to dehydrogenate the material and cooling the dehydrogenated material to room temperature at a controlled rate.

    摘要翻译: 一种用于改善锻造钛合金材料的显微组织的方法,其包括在接近或高于815℃(约780℃至1020℃)的钛 - 氢共析物温度下将材料氢化为氢气的步骤 约0.50至1.50重量%,将如此氢化的材料冷却至室温,将如此冷却的氢化材料加热至约650℃至750℃的温度,施加真空以使材料脱氢并冷却脱氢材料 以受控的速率到室温。

    Method to produce metal matrix composite articles from rich
metastable-beta titanium alloys
    8.
    发明授权
    Method to produce metal matrix composite articles from rich metastable-beta titanium alloys 失效
    从富含亚稳态钛合金制备金属基复合材料的方法

    公开(公告)号:US4809903A

    公开(公告)日:1989-03-07

    申请号:US935363

    申请日:1986-11-26

    IPC分类号: C22C47/20 C22C49/11 B23K29/00

    摘要: A method for fabricating an improved titanium alloy composite consisting of at least one high strength/high stiffness filament or fiber embedded in an alpha-beta titanium alloy matrix which comprises the steps of providing a rapidly-solidified foil made of a rich metastable beta titanium alloy, fabricating a preform consisting of alternating layers of the rapidly-solidified foil and the filamentary material, and applying heat and pressure to consolidate the preform, wherein consolidation is carried out at a temperature below the beta-transus temperature of the alloy.

    摘要翻译: 一种用于制造由至少一种高强度/高刚度长丝或嵌入α-β钛合金基质中的纤维组成的改进的钛合金复合材料的方法,其包括以下步骤:提供由富含亚稳态的β钛合金制成的快速固化的箔 制造由快速固化的箔和丝状材料的交替层组成的预成型体,并施加热和压力以固结预成型件,其中在低于合金的β-转变温度的温度下进行固结。

    Method for refining microstructures of titanium ingot metallurgy articles
    9.
    发明授权
    Method for refining microstructures of titanium ingot metallurgy articles 失效
    精炼钛锭冶金制品微观结构的方法

    公开(公告)号:US4680063A

    公开(公告)日:1987-07-14

    申请号:US896035

    申请日:1986-08-13

    IPC分类号: C22F1/18

    CPC分类号: C22F1/183

    摘要: The microstructure of forged titanium alloy components is improved by beta-transus heat treating the components, hydrogenating the components at an elevated temperature, cooling the thus-hydrogenated components to room temperature, dehydrogenating the components at an elevated temperature and cooling the dehydrogenated components to room temperature.

    摘要翻译: 锻造钛合金组分的微观结构通过β转子热处理组件,在升高的温度下氢化组分,将如此氢化的组分冷却至室温,使组分在升高的温度下脱氢并将脱氢组分冷却至室 温度。

    Method for producing very fine microstructures in titanium aluminide
alloy powder compacts
    10.
    发明授权
    Method for producing very fine microstructures in titanium aluminide alloy powder compacts 失效
    在钛铝合金粉末压块中生产极细微结构的方法

    公开(公告)号:US5098484A

    公开(公告)日:1992-03-24

    申请号:US648464

    申请日:1991-01-30

    IPC分类号: C22C1/04

    CPC分类号: C22C1/0458

    摘要: A method of producing titanium alloy articles having a desired microstructure which comprises the steps of:(a) providing a prealloyed titanium alloy powder;(b) filling a suitable die or mold with the powder;(c) hot isostatic press (HIP) consolidating the powder in the filled mold at a pressure of 30 Ksi or greater and at a temperature of about 60 to 80 percent of the beta transus temperature of the alloy, in degrees C.In another embodiment of the invention, the prealloyed titanium aluminide alloy powder is hydrogenated to about 0.1 to 1.0 wt. % prior to die filling and consolidation. The compacted article is vacuum annealed to remove hydrogen from the article after removal of the die material.

    摘要翻译: 一种生产具有所需微结构的钛合金制品的方法,其包括以下步骤:(a)提供预合金化的钛合金粉末; (b)用粉末填充合适的模具或模具; (c)热等静压机(HIP)以30℃或更高的压力和合金的β转变温度的约60至80%的温度以C为单位将粉末在填充的模具中固结。在另一个实施方案中 本发明的预合金化铝化铝合金粉末被氢化至约0.1至1.0wt。 %在模具填充和固结之前。 压实的制品被真空退火以在去除模具材料之后从制品中除去氢。