Special alloys are alloys with a special group of special properties that can be non-metal group khan.The other is the heat resistance, good resistance to creep (Creep Resistant) at high temperature and atmosphere.Severe corrosion. Can be used at temperatures up to 1200° c c. 1050 – used as a?The composition of the rotor aircraft parts of reactors, and parts of the petrochemical industry, which.There must be a special feature is the occurrence of resistant broilers (Oxidation) and high temperatures, which reflected metal.Panama used in special alloys are cobalt (Cobalt), Nickels (Nickel), chromium (Chromium) and.Titanium (Titanium) (Callister, 2007).Pollock and the Board of education (2006), special alloys with a base component (Nickelbased Nickels.Superalloys), Ta studies the chemical and physical characteristics of those materials mechanical properties.When it is mixed with a chemical compound (Alloy) in proportions that vary with the properties comparison.From the organization includes a method of casting metal that are different. To improve the properties of these alloys make efficiently.And suitable for air turbine engine manufacturing technology (Gas-Turbine Engine).More information can be read on the Web site:http://deepblue.lib.umich.edu/bitstream/2027.42/77223/1/AIAA-18239-462.pdf Silica gel that is active, there are two general types of pigments size 2-sai is 5 mm and blue beads (Indicating Silica Gel) equally-sized silica gel's properties in both 2 different types, where the Cobalt Chloride to make the blue silica gel beads, this is gradually changing into a blue pink when the relative humidity around 40% higher than silica gel, this type is useful for observing the simple chance to risk much moisture? If the silica gel that is used or not is still a blue color. Indicates that moisture. The surrounding is silica gel vacuum and low relative humidity levels. On the contrary, If the color of the silica gel turns into pink indicates that the surrounding humidity. High volume than silica gel to absorb and control in low levels. However, the use of silica gel blue type should be careful to use caution because of health-related agencies of the world, such as the European Commission and some of the International Agent for Research on Cancer has classified cobalt chloride in the category of substances that can cause cancer (carcinogen) inhale and may affect the environment in the long term.
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