公开(公告)号：US20240336994A1

公开(公告)日：2024-10-10

申请号：US18747526

申请日：2024-06-19

Applicant: HRL Laboratories, LLC

Inventor： John H. MARTIN ,  Julie MILLER ,  Brennan D. YAHATA ,  Jacob M. HUNDLEY

IPC: C22C9/00 ,  B22F9/02 ,  B23K26/342 ,  B33Y10/00 ,  B33Y70/00 ,  C22C5/02 ,  C22C5/06 ,  C22C11/00 ,  C22C12/00 ,  C22C13/00 ,  C22C14/00 ,  C22C16/00 ,  C22C18/00 ,  C22C19/03 ,  C22C19/07 ,  C22C21/00 ,  C22C22/00 ,  C22C27/00 ,  C22C27/02 ,  C22C27/04 ,  C22C27/06 ,  C22C28/00 ,  C22C38/00 ,  C22C49/14

CPC classification number: C22C9/00 ,  B22F9/02 ,  B23K26/342 ,  B33Y70/00 ,  C22C5/02 ,  C22C5/06 ,  C22C11/00 ,  C22C12/00 ,  C22C13/00 ,  C22C14/00 ,  C22C16/00 ,  C22C18/00 ,  C22C19/03 ,  C22C19/07 ,  C22C21/00 ,  C22C22/00 ,  C22C27/00 ,  C22C27/02 ,  C22C27/04 ,  C22C27/06 ,  C22C28/00 ,  C22C38/00 ,  C22C49/14 ,  B22F2304/10 ,  B33Y10/00

Abstract: Some variations provide a metal-alloy biphasic system containing a first metal M1 and a second metal M2, wherein a second metal phase has a melting temperature lower than that of a first metal phase, and wherein the metal-alloy biphasic system has a hierarchical microstructure containing a second length scale that is at least one order of magnitude smaller than a first length scale. Some variations provide a metal-alloy biphasic system containing a first metal M1 and a second metal M2, wherein a second metal phase has a melting temperature lower than that of a first metal phase, and wherein the first metal phase forms a continuous network. Other variations provide a metal-alloy biphasic powder containing at least a first metal and a second metal, wherein the solubility of first metal in second metal is less than 5%. Methods of making and using the powders and biphasic system are disclosed.

公开(公告)号：US20240159124A1

公开(公告)日：2024-05-16

申请号：US18453025

申请日：2023-08-21

Applicant: Schlumberger Technology Corporation

Inventor： Terizhandur S. Ramakrishnan ,  Hua Zhang ,  Quincy K. Elias ,  Albert Perez

IPC: E21B33/13 ,  C09K8/42 ,  C09K8/46 ,  C22C12/00 ,  E21B29/12 ,  E21B33/12 ,  E21B33/134 ,  E21B33/138 ,  E21B33/14 ,  G01N33/2028

CPC classification number: E21B33/13 ,  C09K8/426 ,  C09K8/46 ,  C22C12/00 ,  E21B29/12 ,  E21B33/12 ,  E21B33/1208 ,  E21B33/134 ,  E21B33/138 ,  E21B33/143 ,  G01N33/2028

Abstract: A wellbore is plugged using a bismuth alloy. The wellbore is arranged so that a liquid bismuth alloy sets with an excess pressure of the plug relative to the borehole fluid pressure along a desired seal height distance.

公开(公告)号：US20230399917A1

公开(公告)日：2023-12-14

申请号：US17835118

申请日：2022-06-08

Applicant: Halliburton Energy Services, Inc.

Inventor： Michael Linley FRIPP ,  Wei ZHANG ,  Brandon T LEAST

IPC: E21B33/12 ,  C22C12/00 ,  E21B36/00

CPC classification number: E21B33/1204 ,  C22C12/00 ,  E21B36/008

Abstract: A method of creating a seal in a tubular by melting a first component comprising a fusible alloy, using heat produced by an exothermic, hydrolysis reaction of a second component comprising a metal, to provide a melted fusible alloy, and allowing the melted fusible alloy to solidify in the tubular, wherein the fusible alloy expands upon solidifying and forms the seal. A system for carrying out the method is also provided.

公开(公告)号：US20220307110A1

公开(公告)日：2022-09-29

申请号：US17840871

申请日：2022-06-15

Applicant: Xi'an Jiaotong University ,  SHAANXI ZINC INDUSTRY CO., LTD.

Inventor： Shengqiang MA ,  Ping LV ,  Xuebin HE ,  Yimin GAO ,  Xudong CUI ,  Jiandong XING ,  Xiaoli MENG ,  Jiankang ZHANG

IPC: C22C12/00 ,  C22C18/00 ,  C22C13/00 ,  C22C1/02

Abstract: A biodegradable Zn—Mg—Bi zinc alloy and a preparation method thereof. The method including: melting magnesium under an inert atmosphere to obtain a magnesium melt; adding bismuth particles to the magnesium melt followed by reaction under stirring and heat preservation treatment to obtain a Mg—Bi alloy melt; allowing the Mg—Bi alloy melt to stand in a furnace; subjecting the Mg—Bi alloy melt to refining, slagging-off, casting and demoulding to obtain Mg-50 wt. % Bi alloy ingot; melting zinc to obtain a zinc melt; adding the Mg-50 wt. % Bi alloy ingot and pure magnesium or pure bismuth followed by heating to a preset temperature, stirring and heat preservation to obtain a Zn—Mg—Bi alloy melt; allowing the Zn—Mg—Bi alloy melt to stand in a furnace followed by refining, slagging-off, casting and demoulding to obtain the biodegradable Zn—Mg—Bi zinc alloy.

公开(公告)号：US11149791B2

公开(公告)日：2021-10-19

申请号：US17042542

申请日：2019-02-28

Applicant: TAIHO KOGYO CO., LTD.

Inventor： Masaya Ichikawa ,  Shigeyuki Suga

IPC: F16C33/12 ,  B32B15/01 ,  C22C12/00 ,  C22C5/06 ,  B22F5/10 ,  B22F7/08 ,  C22C9/02 ,  C25D3/56 ,  C25D7/10

Abstract: To provide a sliding member including an overlay capable of realizing good fatigue resistance while preventing interlayer peeling. A sliding member including an overlay formed of an alloy plating film of Bi and Sb, and the overlay is bonded to a lining formed of a copper alloy via an intermediate layer containing Ag as a main component.

公开(公告)号：US20210262313A1

公开(公告)日：2021-08-26

申请号：US17254091

申请日：2019-06-21

Applicant: Rawwater Engineering Limited

Inventor： Robert Eden ,  Joseph Oluleke

IPC: E21B33/134 ,  C22C12/00

Abstract: Bismuth-based alloys and the use of plugs made from such alloys to seal wells as well as the plugs themselves are provided. There is provided an alloy of bismuth, tin, and antimony comprising at least about 50% by weight bismuth, about 30 to about 35% by weight tin, and about 1.8 to about 2.8% by weight antimony; and an alloy of bismuth and silver comprising about 91 to about 97% by weight bismuth and about 3 to about 9% by weight silver. There is also provided a method for producing a plug comprising an alloy of bismuth, tin, and antimony; and a method for producing a plug comprising an alloy of bismuth and silver; wherein a length of a well is filled with the molten alloy and the molten alloy is allowed to solidify.

公开(公告)号：US20210074898A1

公开(公告)日：2021-03-11

申请号：US16962461

申请日：2019-01-15

Applicant: HITACHI METALS, LTD.

Inventor： Takeshi SHIMADA ,  Nan WANG ,  Michiko MATSUDA

IPC: H01L35/18 ,  H01L35/32 ,  H01L35/34 ,  C01G51/00 ,  C22C12/00 ,  B22F3/10 ,  B22F9/04

Abstract: A thermoelectric conversion material having a high dimensionless figure of merit ZT includes: a large number of polycrystalline grains which include a skutterudite-type crystal structure containing Yb, Co, and Sb; and an intergranular layer which is between the neighboring polycrystalline grains and includes crystals in which an atomic ratio of O to Yb is more than 0.4 and less than 1.5. A method for manufacturing a thermoelectric conversion material includes: a weighing step; a mixing step; a ribbon preparation step by rapidly cooling and solidifying a melt of the raw materials by using a rapid liquid cooling solidifying method; a first heat treatment step including heat treating in an inert atmosphere with an adjusted oxygen concentration; a second heat treatment step including heat treating in a reducing atmosphere; and manufacturing the thermoelectric conversion material by a pressure sintering step in an inert atmosphere.

公开(公告)号：US10913117B2

公开(公告)日：2021-02-09

申请号：US16667143

申请日：2019-10-29

Applicant: WUHAN UNIVERSITY OF TECHNOLOGY

Inventor： Xinfeng Tang ,  Xianli Su ,  Qiang Zhang ,  Xin Cheng ,  Dongwang Yang ,  Gang Zheng ,  Fan Fu ,  Tao Liang ,  Qingjie Zhang

IPC: B22F3/23 ,  B22F9/16 ,  C22C1/04 ,  C22C12/00 ,  C22C9/00 ,  C22C29/12 ,  C22C28/00 ,  C22C13/00 ,  C22C11/00 ,  C22C23/00 ,  B22F9/04 ,  C22C1/02

Abstract: The disclosure relates to thermoelectric materials prepared by self-propagating high temperature synthesis (SHS) process combining with Plasma activated sintering and methods for preparing thereof. More specifically, the present disclosure relates to the new criterion for combustion synthesis and the method for preparing the thermoelectric materials which meet the new criterion.

公开(公告)号：US10913115B2

公开(公告)日：2021-02-09

申请号：US16667110

申请日：2019-10-29

Applicant: WUHAN UNIVERSITY OF TECHNOLOGY

Inventor： Xinfeng Tang ,  Xianli Su ,  Qiang Zhang ,  Xin Cheng ,  Dongwang Yang ,  Gang Zheng ,  Fan Fu ,  Tao Liang ,  Qingjie Zhang

IPC: B22F3/23 ,  B22F9/16 ,  C22C1/04 ,  C22C12/00 ,  C22C9/00 ,  C22C29/12 ,  C22C28/00 ,  C22C13/00 ,  C22C11/00 ,  C22C23/00 ,  B22F9/04 ,  C22C1/02

Abstract: The disclosure relates to thermoelectric materials prepared by self-propagating high temperature synthesis (SHS) process combining with Plasma activated sintering and methods for preparing thereof. More specifically, the present disclosure relates to the new criterion for combustion synthesis and the method for preparing the thermoelectric materials which meet the new criterion.

公开(公告)号：US10737328B2

公开(公告)日：2020-08-11

申请号：US15427278

申请日：2017-02-08

Applicant: FORD GLOBAL TECHNOLOGIES, LLC

Inventor： Wanfeng Li

IPC: B22F9/04 ,  C22C12/00 ,  C22C22/00 ,  B07B7/08 ,  B07B7/086 ,  B07B7/10 ,  H01F1/047 ,  B02C23/08 ,  B02C19/06

Abstract: A method of increasing volume ratio of magnetic particles in a MnBi alloy includes operating a jet miller fed with a MnBi alloy powder containing magnetic particles and non-magnetic particles with gas flow parameters selected such that, only for the magnetic particles, a gas drag force is greater than a centrifugal force within the jet miller to separate the magnetic particles from the non-magnetic particles.