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Powder material for yttrium oxide modified stainless steel cladding layer as well as preparation method and application of powder material

A powder material and stainless steel technology, which is applied in the field of stainless steel surface modification, can solve the problems of high temperature oxidation resistance and corrosion resistance, and achieve high temperature molten salt corrosion resistance, fine grain size, and small thermal deformation. Effect

Inactive Publication Date: 2022-06-24
CHINA THREE GORGES CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the defects of 316L stainless steel in the prior art as a pipe material for storing heat storage medium in a solar power generation system that cannot have both high temperature oxidation resistance and corrosion resistance, thereby providing a kind of yttrium oxide Powder material for modified 316L stainless steel cladding layer and its preparation method and application

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  • Powder material for yttrium oxide modified stainless steel cladding layer as well as preparation method and application of powder material
  • Powder material for yttrium oxide modified stainless steel cladding layer as well as preparation method and application of powder material

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Embodiment 1

[0036] This embodiment provides a powder material for a yttrium oxide-modified 316L stainless steel cladding layer, the components of which include yttrium oxide, 316L stainless steel powder and inevitable impurities;

[0037] The mass fraction of yttrium oxide in the powder material for yttrium oxide-modified 316L stainless steel cladding layer is 1.0%, the total mass fraction of inevitable impurities is ≤0.15%, and the balance is 316L stainless steel material powder.

[0038] The above-mentioned preparation method of powder material for 316L stainless steel cladding layer modified by yttrium oxide includes: placing each component in a planetary ball mill and ball-milling and mixing evenly; Material.

[0039] The present embodiment also provides a method for preparing a yttrium oxide modified 316L stainless steel cladding layer, comprising the following steps:

[0040] The steel pipe pile with a diameter of 3m is used as the base material for cladding. The main material of t...

Embodiment 2

[0044] This embodiment provides a powder material for a yttrium oxide-modified 316L stainless steel cladding layer, the components of which include yttrium oxide, 316L stainless steel powder and inevitable impurities;

[0045] The mass fraction of yttrium oxide in the powder material for yttrium oxide-modified 316L stainless steel cladding layer is 4.0%, the total mass fraction of inevitable impurities is less than or equal to 0.15%, and the balance is 316L stainless steel powder.

[0046] The above-mentioned preparation method of powder material for 316L stainless steel cladding layer modified by yttrium oxide includes: placing each component in a planetary ball mill and ball-milling and mixing evenly; Material.

[0047] The present embodiment also provides a method for preparing a yttrium oxide modified 316L stainless steel cladding layer, comprising the following steps:

[0048] The 316L stainless steel plate with a size of 10cm × 10cm × 4cm is used as the base material fo...

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Abstract

The invention belongs to the technical field of stainless steel surface modification, and particularly relates to a powder material for an yttrium oxide modified stainless steel cladding layer and a preparation method and application of the powder material. The powder material for the yttrium oxide modified stainless steel cladding layer comprises the following components: yttrium oxide, 316L stainless steel powder and inevitable impurities, the mass fraction of yttrium oxide in the powder material is 0.5-5%; the mass fraction of impurities in the powder material does not exceed 0.15%. The powder material is used as a raw material of a 316L stainless steel cladding layer, so that the 316L stainless steel cladding layer has high-temperature oxidation resistance and high corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of stainless steel surface modification, in particular to a powder material for yttrium oxide-modified stainless steel cladding layer, a preparation method and application thereof; more particularly, to a powder for yttrium oxide-modified 316L stainless steel cladding layer Materials and preparation methods and applications thereof. Background technique [0002] With the implementation of sustainable development strategies on a global scale, solar thermal power generation technology has gradually entered people's attention due to its renewable, green and pollution-free characteristics. As the energy most likely to replace fossil fuels, solar energy, like hydropower and wind power, has a great room for development. The current utilization of solar energy resources includes photovoltaic power generation and solar thermal power generation. [0003] The advantages of solar thermal power generation technology a...

Claims

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Application Information

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IPC IPC(8): C23C24/10C22C32/00C22C38/00F03G6/00
CPCC23C24/103C22C38/00C22C32/0026F03G6/00Y02E10/46
Inventor 高远邹祖冰李鹏孙勇杨静马哲王方政
Owner CHINA THREE GORGES CORPORATION