The Use of Various Elements in Nickel-based Alloys

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From April the French government will reduce fuel taxes slightly to ease the burden on consumers. 

Warned of possible energy shortages in France by the end of the year and called on the French to conserve electricity and gas from now on, saying that if nothing was done, The energy situation will be tough this winter. Some experts say that there are two main reasons for France's energy crisis: first, the conflict between Russia and Ukraine affected the gas market and caused supply tension; The second is a safety review of France's newest nuclear power plant, which may lead to a reduction in output this year. In order to alleviate the energy crisis, the whole French society needs to be mobilized, whether it is the industrial sector, the tertiary sector or every French citizen. Now it is urgent. Rising fuel prices may also have an impact on shipments of the Inconel718 powder. 

The effects of boron and silicon elements: significantly reduce the melting point of the alloy, expand the temperature range of the solid-liquid line, and form a low-melting eutectic; deoxidation and reduction and slag-making functions; hardening and strengthening of the coating; improving the performance of the operation process.

The role of copper: improve the corrosion resistance to non-oxidizing acids.

The role of chromium: solid solution strengthening, passivation; improve corrosion resistance and high temperature oxidation resistance; excess chromium easily forms chromium carbide and chromium boride hard phases with carbon and boron to improve alloy hardness and wear resistance .

The role of molybdenum element: large atomic radius, large distortion of the crystal lattice after solid solution, significantly strengthening the alloy matrix, improving the high temperature strength and red hardness of the matrix; it can cut off and reduce the network structure in the coating; improve the resistance to cavitation , Erosion ability nickel-based precision alloy.

Including nickel-based soft magnetic alloys, nickel-based precision resistance alloys, and nickel-based electric heating alloys. The most commonly used soft magnetic alloy is Permalloy with about 80% nickel. Its maximum permeability and initial permeability are high, and its coercivity is low. It is an important core material in the electronics industry. The main alloying elements of nickel-based precision resistance alloys are chromium, aluminum, and copper. This alloy has high resistivity, low temperature coefficient of resistivity and good corrosion resistance, and is used to make resistors. Nickel-based electric heating alloy is a nickel alloy containing 20% chromium. It has good oxidation and corrosion resistance and can be used for a long time at a temperature of 1000 to 1100 ℃.

Nickel-based shape memory alloy

A nickel alloy containing 50(at)% titanium. The recovery temperature is 70°C, and the shape memory effect is good. A small change in the ratio of nickel-titanium components can change the recovery temperature within the range of 30 to 100°C. It is mostly used in the manufacture of automatic opening structural parts used in spacecraft, self-exciting fasteners used in the aerospace industry, artificial heart motors used in biomedicine, etc.

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