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1. 发明授权

US11629394B2 Method for preparing gradient hardened titanium alloy 有权
公开(公告)号：US11629394B2
公开(公告)日：2023-04-18
申请号：US17880652
申请日：2022-08-04
申请人： BEIJING INSTITUTE OF TECHNOLOGY
发明人： Pengwan Chen , Yansong Guo , Qiang Zhou , Rui Liu
IPC分类号： C22F3/00 , C22C14/00
摘要： In a method for preparing a gradient hardened titanium alloy. A steel momentum block and a cleaned titanium alloy plate are sequentially placed into a steel base with a through hole from bottom to top, a cross sectional size of the through hole is matched with cross sectional sizes of the steel momentum block and the titanium alloy plate, and a height of the through hole is matched with a total thickness of the steel momentum block and the titanium alloy plate. An explosive frame is fixed on a top edge of the steel base, a high explosion velocity explosive with an explosion velocity of 7000 m/s or more pressed into a plate-shaped structure is placed in the explosive frame, and detonation is caused at one end of a top surface of the explosive to perform impact treatment on the titanium alloy plate, thereby obtaining the gradient hardened titanium alloy.

2. 发明授权

US11311909B2 Device and method for reducing and homogenizing residual stress of a component by array of high-energy elastic waves 有权
公开(公告)号：US11311909B2
公开(公告)日：2022-04-26
申请号：US16991372
申请日：2020-08-12
申请人： BEIJING INSTITUTE OF TECHNOLOGY
发明人： Chunguang Xu , Shuangyi Li , Yuren Lu , Peng Yin , Dezhi Li , Ruili Jia , Wenyuan Song
IPC分类号： B06B1/20 , B23K31/00 , C22F3/00 , B06B1/02 , C21D10/00
摘要： A device and method for reducing and homogenizing residual stress of a component by an array of high-energy elastic waves. The device includes a tubular body consisting of at least two elements, multiple first through holes and a clamping device provided on an outer side of the tubular body. Exciters are connected with exciting wedges so that an end face of each of the exciting wedges is closely coupled to a surface of the component. A connection portion is coupled to an emitting end of each of the exciters, where the axis of the emitting end coincides with a normal line at a pressed surface of the component A multi-channel signal amplifier is electrically connected to each of the exciters and a multi-channel excitation control module is electrically connected to the multi-channel signal amplifier.

3. 发明授权

US10422018B2 Method and device for remelting and/or remelt-alloying metallic materials, in particular Nitinol 有权
公开(公告)号：US10422018B2
公开(公告)日：2019-09-24
申请号：US14891600
申请日：2014-05-01
申请人： G. RAU GmbH & Co. KG
发明人： Gerhard Sedlmayr
IPC分类号： C22B9/22 , B23K37/00 , C21D1/09 , B23K26/70 , B23K15/00 , C22F3/00 , C22F3/02 , C22F1/00 , C21D1/04
摘要： A method and an apparatus for producing metallic semi-finished products by means of remelting and/or remelt-alloying. Here, the material is melted selectively locally in a melting capillary in the material volume by means of high-energy, focused radiation, the melting capillary is moved through the material and the material is cooled down at a high cooling rate by means of a cooled heat sink, which is located close to the melting capillary and coupled to the material in a well heat-conductive manner.

4. 发明授权

US10022818B2 Methods and systems for coherent imaging and feedback control for modification of materials 有权
公开(公告)号：US10022818B2
公开(公告)日：2018-07-17
申请号：US15250086
申请日：2016-08-29
申请人： IPG Photonics Corporation
发明人： Paul J. L. Webster , James M. Fraser , Victor X. D. Yang
IPC分类号： B23K26/362 , B23K26/382 , B23K15/08 , G01B11/22 , C22F3/00 , C21D10/00 , B33Y30/00 , B23K26/03 , B23K26/20 , A61B18/20 , G01J3/453 , G01N21/84 , B22F3/105 , B23K9/095 , B23K15/00 , B23K15/02 , B28B1/00 , B28B17/00 , B29C67/00 , G01B9/02 , B23K1/005 , B23K26/14 , A61B17/00 , A61B18/00 , B23K103/00
摘要： Methods and systems are provided for using optical interferometry in the context of material modification processes such as surgical laser or welding applications. An imaging optical source that produces imaging light. A feedback controller controls at least one processing parameter of the material modification process based on an interferometry output generated using the imaging light. A method of processing interferograms is provided based on homodyne filtering. A method of generating a record of a material modification process using an interferometry output is provided.

5. 发明授权

US09757810B2 Nickel-based brazing foil and process for brazing 有权
公开(公告)号：US09757810B2
公开(公告)日：2017-09-12
申请号：US12285754
申请日：2008-10-14
申请人： Thomas Hartmann , Dieter Nuetzel
发明人： Thomas Hartmann , Dieter Nuetzel
IPC分类号： C22C19/05 , C22C45/04 , B23K35/30 , B23K1/00 , B23K35/02 , C22C1/00 , C22F3/00 , F28F21/08 , F02M26/29 , B23K1/19 , C22F1/00 , C22F1/10
CPC分类号： B23K1/0012 , B23K1/19 , B23K35/0233 , B23K35/3033 , B23K35/304 , C22C1/002 , C22C19/05 , C22C19/058 , C22C45/04 , C22F1/002 , C22F1/10 , C22F3/00 , F02M26/29 , F28F21/083 , F28F21/089 , Y10T428/12944 , Y10T428/12972
摘要： Disclosed is an amorphous, ductile brazing foil with a composition consisting essentially of NirestCraBbPcSid with 2 atomic percent≦a≦30 atomic percent; 0.5 atomic percent≦b≦14 atomic percent; 2 atomic percent≦c≦20 atomic percent; 0 atomic percent≦d≦14 atomic percent; incidental impurities≦0.5 atomic percent; rest Ni, where c>b>c/15 and 10 atomic percent≦b+c+d≦25 atomic percent. Also disclosed is amorphous, ductile Ni-based brazing foil having a composition consisting essentially of NirestCraBbPcSidCeXfYg wherein a, b, c, d, e, f, and g are numbers such that 2 atomic percent≦a≦30 atomic percent; 0.5 atomic percent≦b≦14 atomic percent; 2 atomic percent≦c≦20 atomic percent; 0 atomic percent≦d≦14 atomic percent; 0 atomic percent≦e≦5 atomic percent; 0 atomic percent≦f≦5 atomic percent; 0 atomic percent≦g≦20 atomic percent; wherein incidental impurities are present, if at all, in amounts≦0.5 atomic percent; wherein rest indicates that the balance of the composition is Ni; wherein c>b>c/15; wherein 10 atomic percent≦b+c+d≦25 atomic percent, wherein X is one or more of the elements Mo, Nb, Ta, W and Cu; and wherein Y is one or both of the elements Fe and Co. Also disclosed are methods for making and using these brazing foils, and brazed objects produced therefrom.

6. 发明申请

US20170226617A1 Method of Thermomagnetically Processing an Aluminum Alloy 审中-公开
公开(公告)号：US20170226617A1
公开(公告)日：2017-08-10
申请号：US15424033
申请日：2017-02-03
申请人： UT-Battelle, LLC
发明人： Gerard M. Ludtka , Orlando Rios , David Weiss
IPC分类号： C22F3/00 , C22C21/16 , C22F1/053 , C22C21/10 , C22F1/057 , C22C21/18 , C22C21/14
CPC分类号： C22F3/00 , C22C21/10 , C22C21/14 , C22C21/16 , C22C21/18 , C22F1/053 , C22F1/057
摘要： A method of thermomagnetically processing an aluminum alloy entails heat treating an aluminum alloy, and applying a high field strength magnetic field of at least about 2 Tesla to the aluminum alloy during the heat treating. The heat treating and the application of the high field strength magnetic field are carried out for a treatment time sufficient to achieve a predetermined standard strength of the aluminum alloy, and the treatment time is reduced by at least about 50% compared to heat treating the aluminum alloy without the magnetic field.

7. 发明授权

US09605328B2 Surface contouring of a weld cap and adjacent base metal using ultrasonic impact treatment 有权
公开(公告)号：US09605328B2
公开(公告)日：2017-03-28
申请号：US14235530
申请日：2012-07-30
申请人： David John Sharman , Samuel B. Abston, II , Taylor Hanes
发明人： David John Sharman , Samuel B. Abston, II , Taylor Hanes
IPC分类号： B25G3/34 , F16B11/00 , F16B12/04 , F16L13/00 , C21D7/06 , C21D10/00 , C22F3/00 , B23K9/02 , B23K33/00 , C21D9/50
CPC分类号： C21D7/06 , B23K9/02 , B23K33/00 , C21D9/50 , C21D10/00 , C21D2251/04 , C22F3/00 , Y10T403/478
摘要： A method for forming a smooth interface between a weld cap and an adjacent base metal utilizing ultrasonic impact treatment. The method improves the geometric profile of a weld while imparting a compressive residual stress layer on the weld metal and base metal thereby alleviating the tensile residual stresses imparted to the metals during welding. The contouring process does not remove material, as in grinding, but plastically deforms the surface being treated producing a densified surface, in turn providing a smooth weld cap and base metal surface finish without the loss of base or weld metal thickness.

8. 发明申请

US20160258047A1 STRESS RELIEF OF MECHANICALLY ROUGHENED CYLINDER BORES FOR REDUCED CRACKING TENDENCY 有权
标题翻译：用于减少破裂倾向的机械加固缸体的应力消除
公开(公告)号：US20160258047A1
公开(公告)日：2016-09-08
申请号：US15042208
申请日：2016-02-12
申请人： GM Global Technology Operations LLC
发明人： Yucong Wang , Martin S. Kramer
IPC分类号： C23C4/02 , C23F17/00 , C22F1/00 , C22F3/00 , F02F1/00 , C22F1/04
CPC分类号： C23C4/02 , C22F1/002 , C22F1/04 , C22F3/00 , F02F1/00 , F02F2001/008 , F02F2200/06
摘要： A method of treating the surface of an aluminum-based engine block cylinder bore that has been mechanically roughened. In one form, this method includes using vibratory stress relief, elevated temperature stress relief or cryogenic stress relief so that residual stresses imparted to the surface by the roughening process are reduced. In this way, a protective coating that is also applied to the bore surface will exhibit better adhesion and lower incidence of stress-induced or fatigue-induced cracking.
摘要翻译：一种处理机械粗糙化的铝基发动机缸体缸面的表面的方法。在一种形式中，该方法包括使用振动应力消除，升高的温度应力消除或低温应力消除，从而减小通过粗糙化过程赋予表面的残余应力。以这种方式，也施加到孔表面的保护涂层将表现出更好的附着力和更低的应力诱发或疲劳引起的裂纹的发生。

9. 发明申请

US20150258596A1 PEENING DEVICE AND PEENING METHOD 有权
标题翻译： PEENING DEVICE和PEENING方法
公开(公告)号：US20150258596A1
公开(公告)日：2015-09-17
申请号：US14433552
申请日：2013-10-09
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Takashi Kozaki
IPC分类号： B21D31/06 , C22F3/00 , C22C21/00 , C21D7/06
CPC分类号： B21D31/06 , B23K31/00 , B24B39/006 , C21D7/04 , C21D7/06 , C21D7/08 , C21D11/00 , C21D2221/00 , C22C21/00 , C22F3/00
摘要： A peening device is provided with: peening impact pins that impact on a surface to be worked; a device main body that uses vibration to move the peening impact pins back and forth with respect to the surface to be worked; servo motors (22x, 22y) that adjust the inclination of the device main body with respect to the surface to be worked; laser displacement gauges (20A, 20B, 20C, 20D) that detect the device angle; and a vibration sensor (18) that detects the vibration state of the device main body. Furthermore, a control device (40) for the peening device controls the servo motors (22x, 22y) such that the vibration state detected by the vibration sensor (18) is a predetermined vibration state. Thus, the peening device carries out excellent peening by conforming to the surface to be worked, the shape of which changes from moment to moment because of the peening.
摘要翻译：喷丸装置设有：冲击待冲压表面的冲击销; 使用振动相对于待加工表面前后移动喷丸冲击销的装置主体; 伺服电动机（22x，22y），其调节装置主体相对于待加工表面的倾斜度; 检测装置角度的激光位移计（20A，20B，20C，20D）以及检测装置主体的振动状态的振动传感器（18）。此外，用于喷丸装置的控制装置（40）控制伺服电动机（22x，22y），使得由振动传感器（18）检测到的振动状态是预定的振动状态。因此，喷丸装置通过与要加工的表面相一致地进行优异的喷丸处理，其形状由于喷丸而瞬间变化。

10. 发明授权

US08992705B2 Microcrystalline alloy, method for production of the same, apparatus for production of the same, and method for production of casting of the same 有权
标题翻译：微晶合金，其制造方法，其制造方法及其制造方法
公开(公告)号：US08992705B2
公开(公告)日：2015-03-31
申请号：US13392696
申请日：2010-08-02
申请人： Yuichi Furukawa , Yoshiki Tsunekawa
发明人： Yuichi Furukawa , Yoshiki Tsunekawa
IPC分类号： B22D17/00 , C22F3/00 , C22C21/02 , C22C21/06 , C22C23/04 , C22F1/043 , C22F1/047 , C22F3/02 , C22C21/00 , C21C7/00
CPC分类号： C22F3/00 , C22C21/02 , C22C21/06 , C22C23/04 , C22F1/043 , C22F1/047 , C22F3/02
摘要： During a process of cooling a hypereutectic Al—Si alloy melt, ultrasonic vibration is applied to the melt to crystallize primary crystal α-Al using, in combination, an ultrasonic transducer (8) that generates the ultrasonic vibration, an ultrasonic horn (7) that is connected to the ultrasonic transducer (8) and transmits the ultrasonic vibration in a specified direction, a treatment vessel (2) that holds the melt and is in contact with the ultrasonic horn (7), and a treatment vessel fixing device (3) that fixes the treatment vessel (2) by pressing the treatment vessel toward the ultrasonic horn (7).
摘要翻译：在冷却过共晶Al-Si合金熔体的过程中，使用超声波振动器（8），超声波振子（8），超声波喇叭（7），超声波振子（8），将超声波振动施加到熔体上，使主晶体α-Al结晶，连接到超声波换能器（8）并且在指定方向上传送超声波振动，将保持熔体并与超声波喇叭（7）接触的处理容器（2）和处理容器固定装置（3）），其通过将处理容器压向超声波喇叭（7）来固定处理容器（2）。

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