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1. CN108486408 - Low-elastic-modulus beta type titanium alloy for dental filling and production method thereof

Office China
Application Number 201810347672.8
Application Date 18.04.2018
Publication Number 108486408
Publication Date 04.09.2018
Grant Number 108486408
Grant Date 17.12.2019
Publication Kind B
IPC
C22C 14/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
14Alloys based on titanium
C22C 1/03
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
1Making non-ferrous alloys
02by melting
03using master alloys
B22F 9/08
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
9Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor
02using physical processes
06starting from liquid material
08by casting, e.g. through sieves or in water, by atomising or spraying
B22F 3/105
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
10Sintering only
105by using electric current, laser radiation or plasma
B33Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B33Y 70/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
70Materials specially adapted for additive manufacturing
CPC
A61K 6/0002
A61K 6/04
B22F 3/1055
B22F 3/24
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
24After-treatment of workpieces or articles
B22F 9/082
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
9Making metallic powder or suspensions thereof
02using physical processes
06starting from liquid material
08by casting, e.g. through sieves or in water, by atomising or spraying
082atomising using a fluid
B22F 2003/248
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
24After-treatment of workpieces or articles
248Thermal after-treatment
Applicants WANG JIALIN
山东创瑞健康医疗科技有限公司
Inventors WANG JIALIN
王甲林
Agents 北京科家知识产权代理事务所(普通合伙) 11427
Title
(EN) Low-elastic-modulus beta type titanium alloy for dental filling and production method thereof
(ZH) 一种低弹性模量补牙用β型钛合金及其制造方法
Abstract
(EN)
The invention provides a low-elastic-modulus beta type titanium alloy for dental filling. The low-elastic-modulus beta type titanium alloy is characterized by being prepared from alloy components according to the weight percent: 23 to 24 percent of Mo, 12 to 13 percent of Nb, 2.5 to 2.8 percent of Zr, 2.1 to 2.2 percent of Al, 1.1 to 1.7 percent of Cr, 0.5 to 0.6 percent of Ag, 0.2 to 0.3 percentof Fe, 0.4 to 0.7 percent of Ta, 0.15 to 0.2 percent of Cu, 0.3 to 0.45 percent of Hf, 0.2 to 0.4 percent of Sn, 0.05 to 0.08 percent of Er, less than or equal to 0.05 percent of O, less than or equalto 0.01 percent of H, less than or equal to 0.02 percent of C, less than or equal to 0.01 percent of N and the balance of Ti and unavoidable impurities; the beta type titanium alloy formed by heat treatment has the average crystallization grain diameter of 20 to 40mu m, the yield strength of 900 to 1000MPa, the tensile strength of 1020 to 1150MPa, the elongation percentage of 15 to 17 percent, the Young's modulus of 40 to 60GPa, the primary alpha-phase volume percent of 22 to 25 percent, the size of 2 to 3 microns and the secondary alpha-phase volume percent of 22 to 25 percent.

(ZH)
一种低弹性模量补牙用β型钛合金,其特征在于所述合金成分按照重量百分比分别为:Mo:23‑24、Nb:12‑13、Zr:2.5‑2.8、Al:2.1‑2.2、Cr:1.1‑1.7、Ag:0.5‑0.6、Fe:0.2‑0.3、Ta:0.4‑0.7、Cu 0.15‑0.2、Hf:0.3~0.45、Sn:0.2~0.4、Er:0.05‑0.08、O≤0.05、H≤0.01、C≤0.02、N≤0.01%、剩余部分为Ti及不可避免的杂质构成,经热处理后形成的β型钛合金中平均结晶粒径为20‑40μm;屈服强度900‑1000MPa,抗拉强度1020‑1150MPa,延伸率15‑17%,杨氏模量40‑60GPa,初生α相体积分数为22‑25%,尺寸为2‑3微米,次生α相体积分数为20‑25%。