High nickel alloy

Firmetal, 2018-09-07 09:13:00 PM

Nickel base superalloy. The main alloy elements are chromium, tungsten, molybdenum, cobalt, aluminum, titanium, boron, zirconium, etc. Among them, chromium ACTS as antioxidant and corrosion resistance, while other elements act as reinforcement. In 650 ~ 1000 ℃ high temperature had a higher strength and oxidation resistance, gas corrosion resistance, is the most widely used in high temperature alloy, high temperature strength of the highest kind of alloy. It is used to manufacture high-temperature components on aero engine blades and rocket engines, nuclear reactors and energy conversion equipment.

Nickel alloy. The main alloy elements are copper, chromium and molybdenum. It has good comprehensive performance and can resist various acid corrosion and stress corrosion. The first to be used is nickel copper alloy, also known as monel alloy; In addition, there are nickel - chromium alloy, nickel - molybdenum alloy, nickel - chromium molybdenum alloy. Used to manufacture various corrosion-resistant parts.

Alloy of nickel base wear resistance. The main alloy elements are chromium, molybdenum, tungsten, and a small amount of niobium, tantalum and indium. In addition to wear resistance, its oxidation resistance, corrosion resistance, welding performance is also good. Wear-resistant parts can be manufactured or used as cladding materials to coat other matrix materials by surfacing and spraying.

Ni-based precision alloy. Including nickel - based soft magnetic alloy, nickel - based precision resistance alloy and nickel - based electrothermal alloy. The most commonly used soft magnetic alloy is boromolum containing about 80% nickel, which has high magnetic permeability and initial magnetic permeability and low coercivity, and is an important iron core material in the electronic industry. The main alloy elements of nickel base precision resistance alloy are chromium, aluminum and copper. This alloy has high resistivity, low resistivity temperature coefficient and good corrosion resistance, and is used in making resistor. Nickel-based alloy electrical is 20% chromium nickel alloy, has good oxidation resistance, corrosion resistance, and can be used in 1000 ~ 1100 ℃ temperature for a long time.

Mulberry shape memory alloy. Nickel alloy containing titanium 50 (at)%. The response temperature is 70 ℃, shape memory effect is good. A small amount of change nickel titanium component proportion, can make the response changes within 30 to 100 ℃ temperature. It is mainly used in the manufacture of self-opening structure parts used on spacecraft, self-energizing fasteners used in aerospace industry, artificial heart motors used in biomedicine and so on.

Tag: Titanium , ZirconiumNiobium, Tantalum

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