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Stainless steel mixed powder, stainless steel clay containing powder and clay solidification process

A technology of mixing powder and stainless steel, which is used in metal processing equipment, transportation and packaging, and can solve problems such as no public reports of stainless steel clay.

Active Publication Date: 2018-07-17
长沙墨科瑞网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] So far, there is no public report on stainless steel clay and its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] 6580g of gas atomized 316L stainless steel powder with particle size of 10μm~53μm and 2820g of BNi60CrSiP nickel-based solder alloy powder with particle size of 0.5μm~45μm are mixed uniformly with a "V"-shaped mixer.

[0062] Mix 9400g of the above mixed powder and 600g of HJbinder-1318 water-based binder in a double planetary wheel vacuum mixer to obtain 10000g stainless steel clay.

[0063] The appearance and drying speed of the stainless steel clay are similar to those of ordinary ceramic clay.

[0064] The above-mentioned stainless steel clay was shaped into a slender strip with a thickness of 3 mm, a width of 4 mm, and a length of 100 mm. The stainless steel clay has strong ductility, no cracks appear during the shaping process, and can be shaped and carved freely. Then put the clay strips into an oven at 80°C for drying. The stainless steel clay strips after drying have a certain strength, can be carved on them, and are not easy to collapse.

[0065] Then put the dried ...

Embodiment 2

[0069] 8075g of gas atomized 304 stainless steel powder with a particle size of 10μm~53μm and 1,425g of BNi76CrP nickel-based solder alloy powder with a particle size of 0.5μm~45μm are mixed uniformly with a "V"-shaped mixer.

[0070] Mix 9500g of the above-mentioned mixed powder and 500g of oily binder model HJbinder-1338 in a double planetary wheel vacuum mixer to obtain 10000g of stainless steel clay.

[0071] The appearance of the stainless steel clay is similar to that of ordinary ceramic clay, but its drying speed is very slow and can be operated for a long time.

[0072] The above-mentioned stainless steel clay was shaped into a slender strip with a thickness of 3 mm, a width of 4 mm, and a length of 100 mm. The stainless steel clay has strong ductility, no cracks appear during the shaping process, and can be shaped and carved freely. Then put the clay strips into an oven at 180°C for drying. The stainless steel clay strips after drying have a certain strength, can be carved...

Embodiment 3

[0076] 5115g of gas atomized 17-4PH stainless steel powder with a particle size of 10μm~53μm and 4185g of BFe35CrNiSiPCu iron-based solder alloy powder with a particle size of 0.5μm~45μm are mixed uniformly with a "V"-shaped mixer.

[0077] Mix 9300g of the above-mentioned mixed powder and 700g of the oily binder model HJbinder-1338 in a double planetary wheel vacuum mixer to obtain 10000g of stainless steel clay.

[0078] The appearance of the stainless steel clay is similar to that of ordinary ceramic clay, but its drying speed is very slow and can be operated for a long time.

[0079] The above-mentioned stainless steel clay was shaped into a slender strip with a thickness of 3 mm, a width of 4 mm, and a length of 100 mm. The stainless steel clay has strong ductility, no cracks appear during the shaping process, and can be shaped and carved freely. Then put the clay strips into an oven at 180°C for drying. The stainless steel clay strips after drying have a certain strength, can...

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Abstract

The invention provides mixed powder for stainless steel clay, the stainless steel clay and a solidification molding process. The mixed powder consists of 5-50% of brazing filler metal alloy powder with an average particle size of less than or equal to 100 microns, and the balance stainless steel powder with an average particle size of 2-100 microns. The brazing filler metal alloy powder is one ofP-contained nickel base brazing filler metal alloy powder, special P-contained iron base brazing filler metal alloy powder or pure copper powder. The stainless steel clay contains 85-96% of the mixedpowder, and 4-15% of an organic bonding agent. The stainless steel clay can be freely molded and carved; and vacuum or atmospheric protection brazing solidification molding can be adopted to obtain products nearly without deformation and shrinkage holes. Bright stainless steel molded parts can be obtained by polishing. The stainless steel clay is environmentally friendly and free of poison, can betouched by hands, is low in cost compared with silver clay, can be used for producing large stainless steel parts, and is convenient for large-scale popularization and application of stainless steelartware.

Description

Technical field [0001] The invention relates to a stainless steel mixed powder, a stainless steel clay containing the powder, and a consolidation process of the clay; in particular, it refers to a moldable and engravable stainless steel clay and a stainless steel mixed powder for preparing the clay, and the consolidation of the stainless steel clay Forming process; belongs to the field of metal materials and welding technology. Background technique [0002] Ceramic clay and ceramic shaping and sintering have been developed in China for thousands of years and are one of the most precious cultural heritage of the motherland. Ceramic clay is generally formed by the weathering of aluminosilicate minerals on the surface of the earth, composed of a variety of hydrated silicates and a certain amount of alumina, alkali metal oxides and alkaline earth metal oxides, and contains quartz, feldspar, mica and Impurities such as sulfates, sulfides, and carbonates. Clay is plastic after being ...

Claims

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Application Information

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IPC IPC(8): B22F1/00B22F3/10
CPCB22F3/1035B22F1/10
Inventor 李昕
Owner 长沙墨科瑞网络科技有限公司