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  • Vacuum furnace development history (Ⅱ)
    Vacuum furnace development history (二)   Vacuum Furnace Structure, the heating process, temperature control and furnace atmosphere, such as vacuum furnace, will directly affect the qua...

  • Vacuum coating equipments’ chamber welding technology standards
    Stainless steel ultra high vacuum coating equipments ' vacuum chamber welding and designing standard: 1, To reduce the weld seam and weld length on the surface of vacuum chamber as much as possible. ...

  • Heat treatment on metals (1)
    Heat treatement on metals   Heat treatment is a method used to alter the physical, and sometimes chemicalproperties of a material. The most common application is metallurgical. Heattreatments a...

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