Powder metallurgy : principles and applications / by Fritz V. Lenel
- Author
- Lenel, Fritz V., 1907-
- Published
- Princeton, N.J. : Metal Powder Industries Federation, [1980]
- Copyright Date
- ©1980
- Physical Description
- xiv, 593 pages (pages 589-593 blank) : illustrations ; 24 cm
- Contents
- METAL POWDER PRODUCTION: Iron powders -- Low alloy steel powders -- Stainless steel powders -- Tool steel powders -- Copper powder -- Copper-alloy powders -- Silver powder -- Nickel powder -- Nickel base alloy powders -- Cobalt powder -- Tin powder -- Aluminum and aluminum alloy powders -- Magnesium alloy powders -- Tungsten powder -- Molybdenum powder -- Tantalum powder -- Titanium and zirconium powders -- Tungsten carbide, titanium carbide and tantalum carbide -- Special atomizing processes for spherical powders from highly alloyed materials, such as tool steels, super alloys and titanium alloys -- Beryllium -- POWDER CHARACTERIZATION AND TESTING: Sampling of powders -- Chemical tests -- Particle size, particle size distribution, particle shape and structure, and specific surface -- Specific tests to determine the processing behavior of metal powders -- COMPACTING: Mixing of metal powders -- Behavior of metal powders under pressure -- Density and stress distribution in compacts pressed in rigid dies -- Tonnage and stroke capacity of presses -- AUTOMATIC COMPACTING: Design and compacting dies -- Presses -- Construction materials and clearance of tool components -- COMPACTING OTHER THAN IN RIGID DIES: Cold isostatic compacting -- High energy rate and triaxial compacting -- Powder rolling or roll compacting -- Endless strip by the emley and deibel method -- Extrusion of metal powder with a plasticizer -- Injection molding of metal powders --, SINTERING PRACTICE: Continuous furnaces with protective atmospheres -- Batch type furnaces with protective atmospheres -- Vacuum sintering furnaces -- Purpose of sintering atmospheres -- Description of sintering atmospheres -- Thermodynamic background of sintering atmospheres -- SINTERING OF A SINGLE PHASE METAL POWDER-EXPERIMENTAL OBSERVATIONS: The green density and the green strength of compacts -- Effects of powder properties, compacting and sintering conditionson density and dimensional change in sintering -- The effect of sintering upon microstructure -- The effect of sintering upon mechanical properties -- SINTERING OF A SINGLE PHASE METAL POWDER-MECHANISM OF SINTERING: The initial stage of sintering -- The intermediate and final stages of sintering -- Expansion due to extrapped gases during sintering -- SINTERING OF COMPACTS FROM MIXTURES OF METAL POWDERS WITHOUT A LIQUID PHASE: Alloys by powder metallurgy -- Parameters affecting interdiffusion -- Quantitative analysis of interdiffusion -- Simultaneous interdiffusion and neck growth -- Activated sintering -- LIQUID PHASE SINTERING: The heavy alloy mechanism -- Sintering of compacts from mixtures of iron and copper powder -- Sintering of compacts from mixtures of copper and tin powders -- LOOSE POWDER SINTERING, SLIP CASTING AND INFILTRATION: Loose powder sintering -- Slip casting -- Infiltration --, HOT CONSOLIDATION OF METAL POWDERS: Hot pressing -- Spark sintering -- Hot extrusion -- Hot isostatic pressing -- Hot forging -- POWDER METALLURGY OF THE REFRACTORY AND REACTIVE METALS: Tungsten wire products -- Other tungsten products and tungsten alloys -- Molybdenum -- Tantalum -- Powder metallurgy of titanium, zirconium and their alloys -- POROUS METALS: Self-lubricating bearings -- Porous metallic materials for filters and similar applications -- Porous electrodes -- Tungsten ionizers for cesium-ion engines -- Porous surgical implants -- CEMENTED CARBIDES: Classification of cemented carbides -- Production of cemented carbides -- Composition, properties and testing of cemented carbides -- Sintering mechanism in cemented carbides -- STRUCTURAL PARTS: Mechanical properties of parts based on iron powder -- Requirements for specifications of pi m structural parts -- Specifications for structural parts from iron powder -- Properties and specifications of p/m structural parts from Copper and copper alloys, stainless steel and aluminum alloys -- Secondary operations -- HOT FORGING AND COLD FORMING OF PREFORMS: Preform Design -- Powder selection -- Compacting and sintering -- Forging -- Mechanical properties -- Cold forming of p/m preforms --, and APPLICATIONS OF P/M STRUCTURAL PARTS AND POWDER FORGINGS THEIR ECONOMICS AND THE ENERGY REQUIREMENTS TO PRODUCE THEM: Applications and economics of pim structural parts -- Methods of cost analysis for structural parts and comparative costs for producing them -- Energy requirements -- Present and potential applications of powder forgings -- The economics of producing parts as powder forgings -- CERMETS: Metallic friction materials -- Dispersion type nuclear fuel elements -- Metal bonded diamond tool materials -- WROUGHT POWDER METALLURGY PRODUCTS: Beryllium -- Magnesium alloys -- Aluminum alloys -- Tool steels -- Dispersion strengthened alloys -- POWDER METALLURGY APPLICATIONS INVOLVING SINTERING WITH A LIQUID PHASE: Non-porous bearings by powder metallurgy -- High speed steel products by cold pressing and liquid phase sintering -- Silver-tin amalgams for dental restorations -- POWDER METALLURGY PRODUCTS FOR MAGNETIC APPLICATIONS: Soft magnetic materials for parts pressed to shape -- Wrought permalloy from powder -- Alnico permanent magnets -- Cobalt-rare earth permanent magnets -- Elongated single domain permanent magnets and magnetic core materials for high frequencies -- ELECTRICAL APPLICATIONS OF POWDER METALLURGY MATERIALS: Electrical contacts -- Materials for electrical resistance welding electrodes -- Metal graphite brushes -- Powder metallurgy in the fabrication of superconducting materials.
- Subject(s)
- ISBN
- 0918404487
- Bibliography Note
- Includes bibliographical references and indexes.
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