公开(公告)号：US4931253A

公开(公告)日：1990-06-05

申请号：US392673

申请日：1989-08-07

申请人： Daniel Eylon ,  Francis H. Froes ,  Gerhard Welsch

发明人： Daniel Eylon ,  Francis H. Froes ,  Gerhard Welsch

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。

公开(公告)号：US4828793A

公开(公告)日：1989-05-09

申请号：US198804

申请日：1988-05-06

申请人： Francis H. Froes ,  Daniel Eylon

发明人： Francis H. Froes ,  Daniel Eylon

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。

公开(公告)号：US4820360A

公开(公告)日：1989-04-11

申请号：US128839

申请日：1987-12-04

申请人： Daniel Eylon ,  Francis H. Froes ,  Charles F. Yolton

发明人： Daniel Eylon ,  Francis H. Froes ,  Charles F. Yolton

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。

公开(公告)号：US4807798A

公开(公告)日：1989-02-28

申请号：US935362

申请日：1986-11-26

申请人： Daniel Eylon ,  Francis H. Froes

发明人： Daniel Eylon ,  Francis H. Froes

IPC分类号： C22C47/20 ,  C22C49/11 ,  B23K20/22 ,  B23K31/00

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。

公开(公告)号：US4733816A

公开(公告)日：1988-03-29

申请号：US936679

申请日：1986-12-11

申请人： Daniel Eylon ,  Francis H. Froes

发明人： Daniel Eylon ,  Francis H. Froes

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。

公开(公告)号：US5098484A

公开(公告)日：1992-03-24

申请号：US648464

申请日：1991-01-30

申请人： Daniel Eylon ,  Francis H. Froes ,  Leslie S. Apgar

发明人： Daniel Eylon ,  Francis H. Froes ,  Leslie S. Apgar

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。

公开(公告)号：US5024369A

公开(公告)日：1991-06-18

申请号：US348741

申请日：1989-05-05

申请人： Francis H. Froes ,  Daniel Eylon

发明人： Francis H. Froes ,  Daniel Eylon

IPC分类号： B23K20/18 ,  B23K20/233

CPC分类号： B23K20/18 ,  B23K20/233 ,  Y10T428/1234

摘要： Processes for producing titanium alloy SPF/DB components, particularly structural panels, are provided.In one embodiment, the process comprises providing rapidly solidified titanium alloy sheetstock, providing a plurality of rapidly solidified titanium alloy ribbons or strips, forming the ribbons into waveform structures, assembling a plurality of these waveform structures to produce a honeycomb core, positioning this core between face sheets, and bonding the core to the face sheets.In another embodiment the process comprises providing rapidly solidified titanium alloy sheetstock, superplastically forming at least one piece of sheetstock into a shaped piece having spaced apart, parallel bonding regions, positioning this shaped piece between two face sheets, and bonding the shaped piece to each face sheet.In yet another embodiment of the invention, the process comprises providing rapidly solidified titanium alloy sheetstock, applying a diffusion bond-inhibiting material in a desired pattern to at least one piece of sheetstock, assembling the sheetstock having the bond-inhibiting pattern thereon with at least one further piece of sheetstock, diffusion bonding this assembly, and superplastically forming the bonded assembly by introducing an inert gas into the region defined by the bond-inhibiting material.

摘要翻译： 提供了用于生产钛合金SPF / DB部件，特别是结构板的方法。 在一个实施方案中，该方法包括提供快速固化的钛合金片材，提供多个快速固化的钛合金带或带，将带形成波形结构，组装多个这些波形结构以产生蜂窝芯，将该芯定位在 面板，并将芯部粘合到面板上。 在另一个实施方案中，该方法包括提供快速固化的钛合金片材，将至少一片片材超塑性地形成为具有间隔开的平行结合区域的成形件，将该成形件定位在两个面片之间，并将成形件粘合到每个面 片。 在本发明的另一个实施方案中，该方法包括提供快速固化的钛合金片材，将所需图案中的扩散键抑制材料施加到至少一片片材上，至少将至少具有键抑制图案的片材组装在其上 另一块片材，将该组件扩散接合，并且通过将惰性气体引入到由键合抑制材料限定的区域中而超塑性地形成接合组件。

公开(公告)号：US4851055A

公开(公告)日：1989-07-25

申请号：US270146

申请日：1988-11-08

申请人： Daniel Eylon ,  Francis H. Froes

发明人： Daniel Eylon ,  Francis H. Froes

IPC分类号： B22F3/00 ,  B22F7/06 ,  C22F1/18

CPC分类号： C22F1/183 ,  B22F3/001 ,  B22F7/062 ,  B22F2999/00

摘要： A method for producing an integral titanium alloy article having at least two regions, each region having a distinct microstructure is provided. The method comprises heat treating one or more selected region(s) of the article at a temperature greater than the beta-transus temperature of the region(s), while simultaneously heat treating the remaining region(s) of the article at a temperature below the beta-transus temperature of the remaining region(s).

摘要翻译： 提供具有至少两个区域的整体钛合金制品的制造方法，每个区域具有不同的微观结构。 该方法包括在大于该区域的β-转位温度的温度下热处理制品的一个或多个选定区域，同时在下述温度下同时热处理制品的剩余区域 剩余区域的β转子温度。

公开(公告)号：US4851053A

公开(公告)日：1989-07-25

申请号：US198801

申请日：1988-05-06

申请人： Francis H. Froes ,  Daniel Eylon

发明人： Francis H. Froes ,  Daniel Eylon

IPC分类号： B22F3/00 ,  C22C1/04 ,  C22F1/18

CPC分类号： C22C1/0458 ,  B22F3/001 ,  C22F1/183 ,  B22F2999/00

摘要： A method to produce titanium alloy articles having high creep resistance which comprises the steps of:(a) providing a titanium alloy material containing at least one dispersoid forming alloy addition:(b) hydrogenating the alloy material to a level of about 0.1 to 4.0 weight percent hydrogen;(c) introducing the resulting hydrogenated material into a mold;(d) hot compacting the alloy material in the mold to produce a substantially fully dense article;(e) beta heat treating the compacted article; and,(f) dehydrogenating the article.Following heat treatment, the microstructure in the article will be lenticular transformed beta which is highly creep resistant, while size of the dispersoid will be approximately the same as before the heat treatment, due to the relatively low beta treatment temperature.

摘要翻译： 一种制造具有高抗蠕变性的钛合金制品的方法，其包括以下步骤：（a）提供含有至少一种分散质形成合金的钛合金材料添加：（b）将合金材料氢化至约0.1至4.0重量的水平 百分之氢; （c）将所得氢化物引入模具中; （d）将模具中的合金材料热压制成基本上完全致密的制品; （e）β型热处理压实制品; 和（f）使物品脱氢。 热处理后，由于相对较低的β处理温度，制品中的微观结构将是高度耐蠕变的透镜状变形β，而分散质的大小与热处理前大致相同。

公开(公告)号：US4808249A

公开(公告)日：1989-02-28

申请号：US198800

申请日：1988-05-06

申请人： Daniel Eylon ,  Francis H. Froes

发明人： Daniel Eylon ,  Francis H. Froes

IPC分类号： B22F3/00 ,  B22F7/06 ,  C22F1/18 ,  C21D1/00

CPC分类号： C22F1/183 ,  B22F3/001 ,  B22F7/062 ,  B22F2999/00 ,  Y10T428/12639

摘要： A method for producing an integral titanium alloy article having at least two regions, each region having a distinct microstructure is provided. The method comprises heat treating one or more selected region(s) of the article at a temperature greater than the beta-transus temperature of the region(s), while simultaneously heat treating the remaining region(s) of the article at a temperature below the beta-transus temperature of the remaining region(s).

摘要翻译： 提供具有至少两个区域的整体钛合金制品的制造方法，每个区域具有不同的微观结构。 该方法包括在大于该区域的β-转位温度的温度下热处理制品的一个或多个选定区域，同时在下述温度下同时热处理制品的剩余区域 剩余区域的β转子温度。