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    • 2. 发明授权
    • Method to fabricate titanium aluminide matrix composites
    • 制备钛铝化物基复合材料的方法
    • US5118025A
    • 1992-06-02
    • US628951
    • 1990-12-17
    • Paul R. Smith, Jr.William C. RevelosDaniel Eylon
    • Paul R. Smith, Jr.William C. RevelosDaniel Eylon
    • C22C47/20C22C49/11C22C49/12
    • C22C49/11C22C47/20C22C49/12
    • A method for fabricating a titanium aluminide composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide and silicon-coated silicon carbide, embedded in an alpha-2 titanium aluminide metal matrix, which comprises the steps of providing a beta-stabilized Ti.sub.3 Al foil containing a sacrificial quantity of beta stabilizer element in excess of the desired quantity of beta stabilizer, fabricating a preform consisting of alternating layers of foil and a plurality of at least one of the aforementioned filamentary materials, and applying heat and pressure to consolidate the preform. In another embodiment of the invention, the beta-stabilized Ti.sub.3 Al foil is coated on at least one side with a thin layer of sacrificial beta stabilizer. The composite structure fabricated using the method of this invention is characterized by its lack of a denuded zone and absence of fabrication cracking.
    • 一种由选自碳化硅,碳化硅涂覆的硼,碳化硼涂覆的硼,硼化钛涂覆的碳化硅和硅涂覆的碳化硅组成的组的丝状材料制成的铝化铝复合结构的方法,嵌入 一种α-2钛铝化物金属基体,其包括以下步骤:提供含有超过所需量的β稳定剂的牺牲量的β稳定剂元素的β稳定化的Ti 3 Al箔,制造由交替层的箔和 多个上述丝状材料中的至少一种,并施加热和压力以固结预成型件。 在本发明的另一个实施方案中,β稳定化的Ti 3 Al箔被涂覆在至少一侧上,并具有一层牺牲性β稳定剂。 使用本发明的方法制造的复合结构的特征在于其缺乏剥离区和不存在制造开裂。
    • 3. 发明授权
    • Method and titanium aluminide matrix composite
    • 方法和钛化铝基体复合材料
    • US5030277A
    • 1991-07-09
    • US628956
    • 1990-12-17
    • Daniel EylonWilliam C. RevelosPaul R. Smith, Jr.
    • Daniel EylonWilliam C. RevelosPaul R. Smith, Jr.
    • C22C49/04
    • C22C49/04
    • A method for fabricating a titanium aluminide composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide and silicon-coated silicon carbide, embedded in an alpha-2 titanium aluminide metal matrix, which comprises the steps of providing a first beta-stabilized Ti.sub.3 Al powder containing a desired quantity of beta stabilizer, providing a second beta-stabilized Ti.sub.3 Al powder containing a sacrificial quantity of beta stabilizer in excess of the desired quantity of beta stabilizer, coating the filamentary material with the second powder, fabricating a preform consisting of the thus-coated filamentary materials surrounded by the first powder, and applying heat and pressure to consolidate the preform.The composite structure fabricated using the method of this invention is characterized by its lack of a denuded zone and absence of fabrication cracking.
    • 一种由选自碳化硅,碳化硅涂覆的硼,碳化硼涂覆的硼,硼化钛涂覆的碳化硅和硅涂覆的碳化硅组成的组的丝状材料制成的铝化铝复合结构的方法,嵌入 一种α-2钛铝化物金属基体,其包括以下步骤:提供含有所需量的β稳定剂的第一β稳定的Ti 3 Al粉末,提供第二种β稳定的Ti 3 Al粉末,其含有超过所需的β- 量的β稳定剂,用第二粉末涂覆丝状材料,制造由第一粉末包围的由此涂覆的丝状材料组成的预制件,并施加热和压力以固结预成型件。 使用本发明的方法制造的复合结构的特征在于其缺乏剥离区和不存在制造开裂。
    • 6. 发明授权
    • Method to produce titanium alloy articles with high fatigue and fracture
resistance
    • 生产具有高疲劳和抗断裂性的钛合金制品的方法
    • US4828793A
    • 1989-05-09
    • US198804
    • 1988-05-06
    • Francis H. FroesDaniel Eylon
    • Francis H. FroesDaniel Eylon
    • B22F7/06
    • B22F7/06
    • 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.
    • 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。