The,application,nickel,industr business, insurance The application of nickel in industry
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Nickel content as the steel contains from 2.94% to 7.04%, thetensile strength from 52.2 kg/ mm 2 increased to 72.8 kg/ mm 3. Nickel steel is used to manufacture the machine under greater pressureto bear impact and reciprocating load in parts, such as turbine blades,crankshaft, connecting rod. Containing 36% nickel, carbon content of 0.3-0.5%nickel steel, its expansion coefficient is very small, almost no thermalexpansion and contraction, used to manufacture a variety of precisionmachinery, precision gauge. Containing 46% nickel, 0.15% carbon high nickelsteel, called platinum-based, because its coefficient of expansion is similarwith the platinum, glass similar such high nickel steel may be welded to theglass. Bulb production is very important, can be used as a substitute for theplatinum wire. The precision lens frame, with this class of platinum steel dodue to thermal expansion and contraction, the lens will not fall from the box.Alloy composed of 67.5% nickel, 16% iron, 15% chromium, 1.5% manganese, with agreat resistance, is used to manufacture various varistor and heater.Nickel is used extensively for the manufactureof alloys. Adding nickel in the steel, the mechanical strength can be improved.Ultrafine nickel power,commonly usedas catalist in the chemical industry.Titanium-nickel alloy has the ability ofthe memory, and memory is very strong, after quite a long time, repeatedmillions of times are accurate. Its "memory" skills is to rememberits original shape, so people call it a shape memory alloy. That this alloy hasa characteristic transition temperature, above the transition temperature, ithas the structure of a tissue, under the transition temperature, it has an anotherorganizational structure. The structure is different, the performance is alsodifferent. For example: a nickel titanium memory alloy, when it is above thetransition temperature, it is hard, high strength, and below this temperature,it is very soft and easy cold working. When we need it to remember the shape,put it into the kind of shape, this is the "permanent memory" shapebelow the transition temperature, because it is very soft, we can to a largeextent to its arbitrary deformation. When you need to restore it to itsoriginal shape just make it heated to above the transition temperature.Nickel are with magnetic and can beattracted by a magnet. And use aluminum, cobalt and nickel to make alloy, the magneticis stronger. This alloy by electromagnets attract not only they will be sucked,and hanging something six times heavier below it, will not fall. In this way,you can use it to create electromagnetic crane.Nickel salts are mostly green.Nickel hydroxide is a brown-black, nickel oxide is gray and black. The alkalinestorage battery of nickel oxide used to produce an iron-nickel.Divalent nickel ions commonly use dimethylglyoximeto identify, in the ammonia solution, nickel ions (Ni2 +) the dimethylglyoxime(Dimethylglyoxime) generates bright red precipitate (Ni (dmgH) 2).Source:http://www.mhcmp.com Article Tags: Nickel Steel, Transition Temperature
The,application,nickel,industr