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  • Carbon Paraequilibrium in Austenitic Stainless Steel
    Carburization of austenitic stainless steels under paraequilibriumconditions-i.e., at (low) temperatures where there is essentially no substitutional diffusion-leads to a family of steels with remarkable properties: enhanced hardness, resulting in improved wear behavior, enhanced fatigue
  • Colossal Carbon Supersaturation in Austenitic Stainless Steels Carburized at Low Temperature (.pdf)
    A novel, low-temperature (470°C) gas-phase carburization treatment, developed by the Swagelok Company, increases the surface hardness of 316 austenitic stainless steels from 200 to 1000 HV25 and improves the corrosion resistance
  • Tensile Residual Stress Fields Produced In Austenitic Alloy Weldments (.pdf)
    Residual stresses developed by prior machining and. welding may either accelerate or retard stress corrosion. cracking (SCC), in austenitic alloys, depending upon. their magnitude and sign. A combined x-ray diffraction. (XRD) and mechanical technique was used to. determine the axial and hoop
  • Surface Chemistry Improvements on 316L Stainless Steel Weld
    Passivation of austenitic stainless steel surfaces has been practiced on high purity water systems for many years, and is. generally defined as the removal of iron and iron compounds from the surface to improve the passive film and increase. corrosion resistance. The surface chemistry, structure
  • Iron-Based Superalloys
    that are austenitic and are strengthened by a sequence of hot and cold working (usually, forging at 2,000 to 2,100 F followed by finishing at 1,200 to 1,600 F), and austenitic alloys strengthened by precipitation hardening. Some metallurgists consider the last group only as superalloys, the others
  • Stainless Steel
    One of the features that characterize stainless steels is a minimum 10.5% chromium content as the principal alloying element. Four major categories of wrought stainless steel, based on metallurgical structure, are austenitic, ferritic, martensitic, and precipitation hardening. Cast stainless-steel
  • Unique Qualities of Stainless Steel PH15-7MO
    as compared to the Austenitic (300 series) or Martensitic (400 series) grades of stainless steel. Austenitic grades cannot be heat treated after fabrication, and the Martensitic grades, although heat treatable, do not make terrific retaining rings. From a purely visual perspective, it is not proper
  • Determination of Volume Percent Retained Austenite by X-Ray Diffraction (.pdf)
    Hardening of steels requires heating to an austenitic phase and quenching to room temperature to produce a hard martensitic phase. Austenite is an FCC phase that is stable above a temperature of 735 C. Due to incomplete transformation some austenite is retained at room temperature. Retained

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