metallic surface by composite photoresist techniques in which the composite photoresist has sufficient chemical resistance to permit etching the design, with an aqua- regia or aqua-regia fluoride system in the most commercially available corrosion resistant and high temperature resistant alloys and metals....
Lab High Temperature Resistant Al2O3 Ceramic Melting Pot 99% Alumina Crucible. It is widely used in laboratory, machinery and equipment, petrochemical, new energy and other fields. Our Crucible specifications are diverse and ca...
A method for producing thinner layers of high temperature resistant metals, such as tungsten, molybdenum, rhenium or osmium 来自 掌桥科研 喜欢 0 阅读量: 13 申请(专利)号: DE19772722668 申请日期: 1977-05-18 公开/公告号: DE2722668C3 公开/公告日期: 1980-04-10 申请(专利权)人: SIEMENS AG, ...
depositing high temperature resistant coatings on metal surface was of great economic significance to prevent high temperature corrosion and save resources.The common high temperature resistant coatings were classified in this paper,including organic and inorganic categories.The organic silicone resin and ...
7. A method of manufacturing a corrosion resistant nickel-chromium-iron alloy according to any one preceding claim which comprises the additional step of adding finely divided hafnium particles prior to aluminium to a melt of the alloy before pouring. 8. A method according to claim 7, wherein...
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HEAT resistant alloysDURABILITYTHERMODYNAMICS researchBLADES (Hydraulic machinery)COBALT alloysThe article addresses the long-term stability and durability of high-temperature alloys. Topics discussed include the relevance of fundamental thermodynamic and kinetic understanding to long-term s...
Ceramic materials based on silicon nitride exhibit high hardness and wear resistance and still have less density as compared with metals, which makes it possible to attain service life at high temperatures and at high revolutions (!100 thousands rpm and more), in corrosion environment, and where ...
PROBLEM TO BE SOLVED: To provide a high-temperature corrosion resistant material which does not cause the peeling of a coating layer even when used under a high-temperature atmosphere containing a corrosive gas such as a combustion gas and incinerated ash produced in garbage or waste incineration ...
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