The Use of Various Elements in Nickel-based Alloys
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Oil futures tumbled more than $5 a barrel on news that the Biden administration is considering releasing about 1 million barrels a day from the U.S. Strategic Petroleum Reserve (SPR) for several months to cool surging crude prices.
Brent crude futures were down $4.71, or 4.2 percent, at $108.58 a barrel by 0035 GMT. U.S. West Texas Intermediate futures fell $5.45, or 5 percent, to $102.74 a barrel.
At an earlier time, gasoline prices had already reached record levels because of the Russia-Ukraine conflict.
The prices of other commodities like the Inconel718 powder are also expected to be volatile.
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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Gas supplies have been in short supply because of the conflict between Russia and Ukraine. Combined with the situation that other renewable sources cannot produce enough electricity, electricity prices have soared in many parts all over the world. For this reason, I assume the supply and prices of the Inconel718 powder would keep being influenced by the high energy prices.