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Platinum-rhodium alloy bushing plate base plate material and preparation method for bushing plate base plate material

A platinum-rhodium alloy and bushing technology, which is applied in the field of platinum-rhodium alloy bushing bottom plate material and bushing bottom plate material preparation field, can solve the problems of easy deformation of platinum-rhodium alloy bottom plate, shortened bushing life, low bushing efficiency, etc. The effect of sufficient internal oxidation, improved product quality and productivity, initial deformation and extended service life

Active Publication Date: 2016-01-20
NEIJIANG ZHICHENG PLATINUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then pouring to obtain alloy ingots, hot forging and rolling to the required bottom plate sheet, the platinum-rhodium alloy bottom plate prepared by the above process is easy to deform, which will lead to low efficiency of the bushing plate during use, and its creep resistance Low, micro-deformation will lead to cracking, greatly reducing the life of the bushing

Method used

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  • Platinum-rhodium alloy bushing plate base plate material and preparation method for bushing plate base plate material
  • Platinum-rhodium alloy bushing plate base plate material and preparation method for bushing plate base plate material
  • Platinum-rhodium alloy bushing plate base plate material and preparation method for bushing plate base plate material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Ingredients

[0036] According to rhodium: 5 parts; zirconium: 0.1 part; platinum is the balance to prepare platinum-rhodium alloy bushing material;

[0037] (2) Melting

[0038] Take the rhodium and platinum described in step (1) by weight and place them in a vacuum furnace for smelting, add the zirconium by weight described in step (1) from the hopper of the vacuum furnace during the smelting process, and carry out homogenized smelting. Not more than 0.005Pa, the melting temperature is 1800°C~1900°C, the refining time is 30s~60s, using the rocker arm of the vacuum furnace to shake back and forth, adding argon to 0.9Pa, and then casting, the casting time is 15s~20s, to obtain platinum, Rhodium, zirconium ternary alloy.

[0039] (3) Forging

[0040] Calcining the platinum, rhodium and zirconium ternary alloy obtained in step (2) to 1100°C~1300°C in a high temperature furnace, hot forging it into a 60mm~100mm blank, and heat treating the blank at 1000°C~1250°C, T...

Embodiment 2

[0050] Same as Example 1, but in step (1) rhodium: 6 parts; zirconium: 0.1 part, and platinum as the balance to prepare a platinum-rhodium alloy bushing material, and the others remain unchanged.

Embodiment 3

[0052] Same as Example 1, but in step (1) rhodium: 8 parts; zirconium: 0.1 part, platinum is the balance to prepare a platinum-rhodium alloy bushing material, and the others remain unchanged.

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Abstract

The invention relates to a platinum-rhodium alloy bushing plate base plate material and a preparation method for the bushing plate base plate material. The problems that a platinum-rhodium alloy bushing plate base plate is low in creep resistance, liable to cyclic deformation, short in service life, low in single plate yield and the like are solved. The platinum-rhodium alloy bushing plate base plate material comprises, by weight, 5-20parts of rhodium, 0.1-0.4 part of zirconium, and the balance platinum. The preparation steps comprise (1) burdening, (2) smelting, (3) forging and pressing, (4) surface treatment, (5) internal oxidation, (6) compounding and (7) rolling forming. At the same temperature, initial deformation and the service life of the bushing plate base plate material prepared through the preparation method are prolonged obviously compared with common materials. A bushing plate base plate prepared from the bushing plate base plate material is high in strength, not liable to deformation, resistant to high temperature, resistant to creep deformation and resistant to corrosion. The product quality of a bushing plate and the productivity of a whole tank furnace are both improved.

Description

technical field [0001] The invention relates to a platinum-rhodium alloy bushing bottom plate material and a preparation method for the bushing bottom plate material, belonging to the technical field of glass fiber drawing and forming. Background technique [0002] In the past, in the platinum-rhodium breakout plate, the strength of the bottom plate was increased by increasing the rhodium content. The rhodium and platinum were mixed according to a certain proportion, put into a high-frequency furnace for melting, and then poured, completed under vacuum melting, and hot-forged into a vacuum melting furnace crucible through an air hammer. The size is put into a vacuum melting furnace for melting. The melting temperature is required to be between 1850°C and 2050°C. After reaching the melting point, the temperature is lowered to 1900°C, refined for 2 minutes, then cooled for 2 minutes, and repeated for 3 minutes to prevent uneven organization caused by component segregation. Pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C5/04C22C1/02C22F1/14B23P15/00
Inventor 张天荣张钢秦正忠范余李凤平周世军蒋立鑫叶家祥
Owner NEIJIANG ZHICHENG PLATINUM TECH CO LTD
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