Mechanical properties and soldering of some cobalt base metal alloys.

Mechanical properties and soldering of some cobalt base metal alloys.
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一些钴基金属合金的机械性能和焊接。

DOI:
10.1016/s0109-5641(86)80041-0
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发表时间:
1986
期刊:
Dental materials : official publication of the Academy of Dental Materials
影响因子:
--
通讯作者:
Asgar,K
Asgar,K
中科院分区:
--
文献类型:
--
作者:
Barakat,MM;Asgar,K

文献摘要

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本文测定了5种钴基烤瓷合金的力学性能和焊点强度。这些合金组成的变化反映在它们的机械性能上。所测材料的力学性能范围为:(1)抗拉强度647 ~ 889.5MPa,屈服强度446.4 ~ 641.4MPa,弹性模量168.9 ~ 252.8× 103 MPa,伸长率2 ~ 10%,抗拉强度1000 ~ 1000 MPa。硬度为350 ~ 440 VHN。热处理没有任何显着影响的任何机械性能,除了伸长率表现出一些变化。一般来说,用焊枪焊接比用炉焊接更牢固。此外,焊前接头强于焊后接头。因此,用火炬预焊产生了最坚固的接头。
The mechanical properties of 5 cobalt base alloys for porcelain fused to metal and the strength of their solder joints have been determined. The variation in the composition of these alloys is reflected in their mechanical properties. The ranges of the mechanical properties of the materials tested were: (1) ultimate tensile strength — from 647 to 889.5 MPa; (2) yield strength — from 446.4 to 641.4 MPa; (3) modulus of elasticity — from 168.9 to 252.8×103MPa; (4) elongation — from 2 to 10%; and (5) hardness — from 350 to 440 VHN. Heat treatment did not have any significant effect on any of the mechanical properties except elongation which showed some variation. In general, stronger joints were made by soldering with a torch than by oven soldering. Also, presoldered joints were stronger than postsoldered ones. So, presoldering with a torch produced the strongest joints.
四种新型商用局部义齿合金的物理性能和微观结构
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影响因子: 4.6
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