公开(公告)号：US11931804B2

公开(公告)日：2024-03-19

申请号：US17554089

申请日：2021-12-17

Applicant: Additive Technologies, LLC

Inventor： Mariusz Tadeusz Mika ,  Paul J. McConville ,  Peter M. Gulvin ,  Colin G. Fletcher ,  Daimon Heller ,  Miranda Moschel

IPC: B22F10/22 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00 ,  C22C16/00 ,  C22C21/00 ,  C22C23/04

CPC classification number: B22F10/22 ,  B33Y10/00 ,  B33Y30/00 ,  B22F2301/052 ,  B22F2301/058 ,  B22F2301/205 ,  B33Y70/00 ,  C22C16/00 ,  C22C21/00 ,  C22C23/04 ,  C22C2200/02

Abstract: A metal component is disclosed. The metal component has a first dimension greater than 5 mm, and a second dimension greater than 5 mm. The metal component may include where the alloy includes titanium, aluminum, vanadium, carbon, nitrogen, and oxygen. The alloy may include zirconium, titanium, copper, nickel, and beryllium. The metal component is not die-cast, melt-spun, or forged. An ejector and a method for jetting the metal component is also disclosed.

公开(公告)号：US20240060166A1

公开(公告)日：2024-02-22

申请号：US18234545

申请日：2023-08-16

Applicant: Hua Rong Ke Chuang Biotechnology(Tian Jin)Co., Ltd.

Inventor： Lina Liu

IPC: C22F1/06 ,  A61B17/86 ,  C22C23/04 ,  A61L31/02 ,  B21J1/06

CPC classification number: C22F1/06 ,  A61B17/866 ,  C22C23/04 ,  A61L31/022 ,  B21J1/06

Abstract: The present application relates to the technical field of material processing, and especially relates to a method for preparing a magnesium alloy bone screw bar via room-temperature rotary forging under alternating magnetic field in conjunction with cryogenic processing and a magnesium alloy bone screw product. The method specifically comprises the following steps: preparing an ingot, extruding the ingot into a magnesium-zinc-manganese alloy bar, performing room-temperature rotary forging under alternating magnetic field for plastic deformation, wherein the strength and hardness of the magnesium-zinc-manganese alloy are improved by the work hardening effect of magnesium alloy at room temperature, and meanwhile the microstructure is regulated; additionally, via the former and later cryogenic processing, the grain size and grain orientation uniformity can be effectively regulated in the magnesium alloy microstructure, and the magnesium alloy is effectively improved in plastic deformation ability, strength and corrosion resistance, and finally a magnesium alloy bone screw bar is obtained with excellent comprehensive properties in mechanical properties, corrosion resistance and biocompatibility, which can be mechanically processed into a magnesium alloy bone screw product.

公开(公告)号：US20230383386A1

公开(公告)日：2023-11-30

申请号：US18326421

申请日：2023-05-31

Applicant: Chongqing University

Inventor： Jun Tan ,  Guangming He ,  Chunhua Ran ,  Jijiang Liu ,  Boyan Huang ,  Yu Qi ,  Gang Ma ,  Zujiang Tang ,  Jianbo Li ,  Xianhua Chen ,  Bin Jiang ,  Fusheng Pan

IPC: C22C23/04 ,  C22C1/03 ,  B22D21/00 ,  C22B9/10 ,  C22F1/00 ,  C22F1/06

CPC classification number: C22C23/04 ,  C22C1/03 ,  B22D21/007 ,  C22B9/10 ,  C22F1/002 ,  C22F1/06

Abstract: A high strength cast magnesium alloy, relating to the technical field of magnesium alloy material preparation. The composition and mass percentage of cast magnesium alloy are: Zn 7.0%, Al 3.0%˜5.0%, Mn 0.3%˜0.5%, RE 0.5%˜1%, the total amount of unavoidable impurities is less than or equal to 0.04%, and the allowance is Mg, wherein the RE includes La and Ce, La and Ce account for 35% and 65% of the total amount of RE, respectively. Among them, Mn, La and Ce are added in the form of Mg-5 wt. % Mn, Mg-30 wt. % La and Mg-30 wt. % Ce intermediate alloys respectively. Then it is prepared through battering, melting, melt purification, pouring and heat treatment. By adding RE, the alloy melt can be purified, and the corrosion resistance and casting performance of the alloy can be increased. The tensile strength of the alloy is 300 MPa˜314 MPa, the elongation is 7%-13%, and the light rare earth content is low, the raw material and processing cost is low, and it is easy to realize mass production.

公开(公告)号：US11821275B1

公开(公告)日：2023-11-21

申请号：US17474164

申请日：2021-09-14

Applicant: PARAMOUNT DESIGN LLC

Inventor： Brad Todd ,  Loren Swor

IPC: E21B29/02 ,  E21B33/134 ,  C22C23/02 ,  C22C23/04

CPC classification number: E21B29/02 ,  C22C23/02 ,  C22C23/04 ,  E21B33/134

Abstract: A downhole tool comprising magnesium is placed in a well bore in a subterranean formation for performance of a downhole operation. After performance of the downhole operation, rather than mechanically retrieving or removing the tool, at least a portion of the magnesium in the downhole tool is dissolved by contacting the downhole tool with an aqueous ammonium chloride solution.

公开(公告)号：US11739400B2

公开(公告)日：2023-08-29

申请号：US16971406

申请日：2018-08-20

Applicant: NATIONAL INSTITUTE FOR MATERIALS SCIENCE

Inventor： Ming-Zhe Bian ,  Taisuke Sasaki ,  Kazuhiro Hono ,  Shigeharu Kamado ,  Taiki Nakata

IPC: C22C23/04 ,  C22C1/02 ,  C22F1/06

CPC classification number: C22C23/04 ,  C22C1/02 ,  C22F1/06

Abstract: A magnesium alloy of the present invention has a structure, comprising: 0.5-2.0 wt % of Zn; 0.3-0.8 wt % of Ca; at least 0.2 wt % of Zr; and the remainder comprising Mg and unavoidable impurities, wherein a nanometer-sized precipitate comprising Mg, Ca and Zn dispersed on the (0001) plane of a magnesium matrix, thereby achieving both formability and strength in a range of temperatures including room temperature.

公开(公告)号：US20220341006A1

公开(公告)日：2022-10-27

申请号：US17764389

申请日：2020-09-28

Applicant: Ohio State Innovation Foundation

Inventor： Aihua LUO ,  Renhai SHI

IPC: C22C23/04 ,  C22C23/02 ,  C22C23/00 ,  C22F1/06

Abstract: Disclosed herein are magnesium alloys and methods of making and use thereof. The magnesium alloys comprise: from 1 to 1.5 wt % Zn, from 1 to 1.4 wt. % Al, from 0.2 to 0.7 wt % Ca, from 0.2 to 0.4 wt % Ce, from 0.1 to 0.8 wt % Mn, and the balance comprising Mg.

公开(公告)号：US20220074040A1

公开(公告)日：2022-03-10

申请号：US17529788

申请日：2021-11-18

Applicant: POSCO

Inventor： Young-Jin KWAK ,  Goo-Hwa KIM ,  Mun-Jong EOM ,  Seok-Jun HONG ,  Kyoung-Pil KO ,  Yong-Hwa JUNG ,  Dong-Yoeul LEE ,  Tae-Yeob KIM ,  Kyung-Hoon NAM

IPC: C23C14/16 ,  C22C18/00 ,  C22C23/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C14/24 ,  C23C28/02 ,  C23C30/00 ,  C22C38/60 ,  C23C2/28 ,  C23C2/26 ,  C23C2/00 ,  C23C28/00 ,  C23C14/14 ,  C23C2/40 ,  C23C2/04 ,  C23C2/06 ,  B32B15/01 ,  C22C23/04 ,  B32B15/04 ,  B32B15/18

Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.

公开(公告)号：US20220033974A1

公开(公告)日：2022-02-03

申请号：US17486372

申请日：2021-09-27

Applicant: Japan Medical Device Technology Co., Ltd.

Inventor： Shuzo YAMASHITA ,  Makoto SASAKI ,  Akira WADA

IPC: C23C28/04 ,  C23C16/26 ,  C22C23/04 ,  A61L31/02

Abstract: To provide a magnesium alloy with improved corrosion resistance by surface modification, and a production method thereof. (1) The surface-modified magnesium alloy comprising: a magnesium alloy having an arbitrary shape; a magnesium fluoride layer formed by fluorination of the surface of the magnesium alloy; and a diamond-like carbon layer formed on the magnesium fluoride layer. (2) The method comprising: subjecting a surface of a magnesium alloy having an arbitrary shape to fluorination treatment to form a magnesium fluoride layer on the surface of the magnesium alloy, and then subjecting the magnesium alloy with the magnesium fluoride layer to be placed in a high-frequency plasma CVD device such that a source gas containing carbon is introduced to form a diamond-like carbon layer on the magnesium fluoride layer.

公开(公告)号：US20220008625A1

公开(公告)日：2022-01-13

申请号：US17486150

申请日：2021-09-27

Applicant: Japan Medical Device Technology Co., Ltd.

Inventor： Shuzo YAMASHITA ,  Makoto SASAKI ,  Akira WADA

IPC: A61L27/58 ,  A61L27/04 ,  A61L27/30 ,  C22C23/04 ,  C23C28/00

Abstract: A bioabsorbable implant for non-luminal region comprising: a core structure including a magnesium alloy having a predetermined shape; a first corrosion-resistant layer containing a magnesium fluoride layer as a main component formed on the core structure via fluorination of a surface of the magnesium alloy; and a second corrosion-resistant layer containing a parylene formed on the magnesium fluoride layer.

公开(公告)号：US11208716B2

公开(公告)日：2021-12-28

申请号：US16471943

申请日：2017-12-22

Applicant: POSCO

Inventor： Young-Jin Kwak ,  Goo-Hwa Kim ,  Mun-Jong Eom ,  Seok-Jun Hong ,  Kyoung-Pil Ko ,  Yong-Hwa Jung ,  Dong-Yoeul Lee ,  Tae-Yeob Kim ,  Kyung-Hoon Nam

IPC: C23C14/16 ,  C23C14/24 ,  C23C28/02 ,  C22C18/00 ,  C22C23/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C30/00 ,  C22C38/60 ,  C23C2/28 ,  C23C2/26 ,  C23C2/00 ,  C23C28/00 ,  C23C14/14 ,  C23C2/40 ,  C23C2/04 ,  C23C2/06 ,  B32B15/01 ,  C22C23/04 ,  B32B15/04 ,  B32B15/18

Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.