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  • Advanced Reactor System for the Fine Control of Properties of Molybdenum Powder
    Extensive investigation in the two-stage hydrogen reduction process for fine molybdenum powder synthesis has been con-ducted. Reaction thermodynamic, kinetics, grain morphology transformation mechanism, grain morphology and grain size control have been studied in detail. Pilot scale development
  • The Effect of Nickel on the Mechancial Behavior of Molybdenum P/M Steels
    . moderate- to high-stress P/M applications are the P/M grades. 37. 4200, 4400 and 4600 series steels, which rely on nickel, car-. 38. 21. For a powder metallurgy (P/M) component to be consid-. bon, and molybdenum additions. In most cases, the nickel and. 39. 22. ered for high performance
  • Powder-Forged Connecting Rod Evaluation
    and molybdenum and small amounts of. manganese to enhance iron hardenability without developing stable oxide formation. Copper. is also frequently admixed in the case of connecting rods. Wrought steel bar stock undergoes extensive deformation during cogging and rolling of the. original ingot
  • Carbide Design in Wear Resistant Powder Materials
    , are of significance. A variety of carbide types are well recognised in tool steel type materials 4 and are based on vanadium,. tungsten, molybdenum, and chromium. They are generally written in the form MxCy since M can be made. up of a variety of elements although one or more may predominate. In addition
  • Powder Metallurgy (PM) Primer: Conventional Powdered Metal Components
    eliminating machining. Production runs range in number from a few. hundred to thousands of parts per hour. Conventional PM parts are limited to parts. which can be formed uniaxially. Frequently, the technology is used for material systems that are hard to machine such. as tungsten or molybdenum
  • * Copper Concentrate Analysis by Pressed Powder Method
    in Table 1. In the calibration of Pb, Bi, Ag and Cd, the matrix. effects were corrected by using the scattered tube. target X-rays reflected from the sample as an internal. nsity. e. t. standard. The copper concentrates used for calibration,. n. I. in this note, contain molybdenum in relatively high
  • Medical Device Link .
    by manufacturing cobalt-based implants from cobalt-chromium-molybdenum wrought bar stock. Wrought bar is essentially an ingot (a large casting) that has been reheated and forged down to a smaller size. Working the material is the process of reducing the dimension of a cast ingot to a smaller forged size, in order
  • Performance Characteristics of a Newly Developed Ni-Mo Sinter-hardened PM Steel
    of molybdenum and nickel. Sinter-hardened components can also be susceptible to dimensional inconsistency due to the presence of admixed copper. The purpose of this paper will be to present the properties achievable with a newly developed sinter-hardening grade based on 0.9%Mo/0.9%Ni/0.25%Mn