The Use of Various Elements in Nickel-based Alloys
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Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present, the inflation rate in the United States has risen for 6 consecutive months, and this data has soared from the previous 5.3% to 7.9% today. Inflation in the United States, the global Many countries have been affected.
According to experts' forecasts, the inflation rate in the United States may exceed 10% this year, which will face the danger of collapse, which has a great impact on global inflation, including 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
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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Commodities such as crude oil, wheat, cotton, and nickel have rallied since Russia's "special military operations" began in late February. On the last trading day of this quarter, commodities were on track for their biggest gain since 1990. For this reason, it is expected that the price of the Inconel718 powder will continue to increase.