Total Petrochemicals recently announced that it plans to build a new polystyrene plant in the Ningbo Petrochemical Economic and Technological Development Zone with an annual production capacity of 400,000 tons.
Total Petrochemical Co., Ltd. has signed a memorandum of understanding with the Ningbo Petrochemical Economic and Technological Development Zone Management Committee and plans to confirm this investment project in the first half of 2012.
Total Petrochemicals is one of the world's leading polystyrene producers and has a polystyrene plant with an annual capacity of 200,000 tons and 100,000 tons in Foshan and Singapore respectively.
Inconel alloys are oxidation- and corrosion-resistant materials well suited for service in extreme environments subjected to high pressure and kinetic energy. When heated, Inconel forms a thick and stable passivating oxide layer protecting the surface from further attack. Inconel retains strength over a wide temperature range, attractive for high-temperature applications where aluminium and steel would succumb to creep as a result of thermally induced crystal vacancies (see Arrhenius equation). Inconel's high temperature strength is developed by solid solution strengthening or precipitation strengthening, depending on the alloy. In age-hardening or precipitation-strengthening varieties, small amounts of niobium combine with nickel to form the intermetallic compound Ni3Nb or gamma prime (γ'). Gamma prime forms small cubic crystals that inhibit slip and creep effectively at elevated temperatures.The formation of gamma-prime crystals increases over time, especially after three hours of a heat exposure of 850 °C, and continues to grow after 72 hours of exposure.
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