Nickel-based alloy is a special alloy material with excellent high-temperature strength, corrosion resistance, oxidation resistance and fatigue life, and is widely used in aviation, aerospace, petroleum, chemical and other fields. The manufacturing process of nickel-based alloys is described below.
1. Raw material preparation: The manufacture of nickel-based alloys requires the selection of high-quality raw materials, such as pure nickel, chromium, molybdenum, iron, cobalt, copper, aluminum, titanium, etc. These raw materials need to be carefully proportioned and mixed to meet the requirements. of powder.
2. Powder metallurgy: The manufacture of nickel-based alloys adopts powder metallurgy technology. The powder is put into a mold, sintered and hot-pressed under high temperature and high pressure conditions. This manufacturing method can ensure the uniformity and compactness of the alloy material, and improve the performance and durability of the alloy material.
3. Smelting metallurgy: Another commonly used manufacturing method is smelting metallurgy. The selected raw materials are heated and melted in a furnace according to a certain ratio, and then adjusted and mixed to prepare an alloy liquid that meets the requirements. Next, the alloy liquid is poured into the mold for cooling and solidification to obtain an alloy billet of the desired shape and size.
4. Thermal processing: The prepared alloy billet needs thermal processing, including forging, rolling, stretching and other processes, to improve the microstructure and mechanical properties of the alloy.
5. Finishing: The hot-worked alloy material needs to be finished, including cold working, cutting, drilling, grinding and other processes, in order to prepare parts and components that meet the requirements.
6. Inspection and quality control: The manufactured nickel-based alloy needs to undergo strict inspection and quality control to ensure that its performance and quality meet the standards and requirements. Common detection methods include metallographic microscopy, scanning electron microscopy, X-ray diffraction, thermal analysis, etc.
In short, the manufacturing process of nickel-based alloys involves multiple process links and technical requirements. It is necessary to strictly control raw materials, process parameters and quality standards in order to prepare high-quality and high-performance alloy materials.
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Post time: Aug-26-2023
