The Metallurgy of doped/non-sag tungsten / edited by Erwin Pink and László Bartha
- Published:
- London ; New York : Elsevier Applied Science, [1989]
- Copyright Date:
- ©1989
- Physical Description:
- xviii, 328 pages : illustrations ; 25 cm
- Additional Creators:
- Pink, Erwin, 1936- and Bartha, László, 1931-
- Contents:
- HISTORICAL BACKGROUND / T. Millner and J. Neugebauer: The birth of tungsten filaments -- The ductile tungsten -- Thorlated tungsten -- The first non-sag tungsten -- AKS-doped tungsten -- Industrial development of non-sag tungsten -- Trends in present and future industrial development -- Scientific clarification of the non-sag effect -- THE TECHNOLOGY OF EFFICIENT DOPING AND SINTERING / J. Neugebauer: Production steps -- DOPING AND ITS CONSEQUENCES ON FABRICATION PROPERTIES / H. Yamamoto: Reduction of tungsten oxide -- The effect of potassium on properties of sintered ingot and wire -- Compacting and sintering of tungsten powder -- Measurement of powder characteristics -- CONTROLLING THE DOPING EFFECT IN THE TUNGSTEN MANUFACTURING PROCESS / Sh. Yamazaki: Inclusion of dopants in tungsten particles during reduction -- Evaporation of dopants and formation of dope pores during the sintering process -- Variation of pores during the working process -- Formation of bubble rows upon annealing -- The effect of potassium on bubble density and grain shape in recrystallized wire -- The influence of bubble dispersion on the high temperature tensile behaviour of wires -- THE TECHNOLOGY OF DOPED TUNGSTEN WIRE MANUFACTURING / J.A. Mullendore: Purification of ore to APT -- Reduction of APT to metal powder and doping -- Consolidation -- Metalworking -- Wire inspection -- GENERAL QUALITY CONTROL AND MECHANICAL TESTS / O. Schob: Historical evolution -- Product requirements -- Process requirements and process control -- Mechanical tests -- THE MEASUREMENT OF WIRE SAG CHARACTERISTICS / Sh. Yamazaki: The Japanese heating deformation test JIS H 4460 -- American standard test method for the sag of tungsten wire -- MECHANISMS OF TUNGSTEN POWDER REDUCTION / E. Lassner et al.: Today's point of view of the tungsten reduction -- The influence of foreign elements with special regard to those used in non-sag tungsten doping -- THERMOCHEMISTRY OF BUBBLES / I. Gaal: Potassium bubbles -- Interaction of oxygen with non-sag tungsten -- Chemically induced recrystallization -- Chemically induced bubble growth -- Carbon in tungsten -- and FEATURES AND FORMATION OF BUBBLES / O. Horacsek: Equilibrium properties of bubbles -- Residual porosity in doped ingots -- Bubble formation in wires -- Relation between bubble dispersion in wires and residual porosity in ingots -- THE RECRYSTALLIZATION OF NON SAG TUNGSTEN WIRE / D.B. Snow: The as-deformed structure -- Structural coarsening -- Exaggerated grain growth -- THE RECRYSTALLIZATION TEXTURE OF NON-SAG WIRE / H.H.R. Jansen: Kinetics of recrystallization -- Experimental results on recrystallization textures -- Interpretation of the results -- MECHANICAL PROPERTIES AND DEFORMATION MECHANISMS OF NON-SAG TUNGSTEN WIRES / E. Pink and I. Gaal: Experimental methods for evaluating strength properties -- Strength and ductility data -- Deformation mechanisms -- The anelastic behaviour -- LOW TEMPERATURE EMBRITTLEMENT OF UNDOPED AND DOPED TUNGSTEN / J.P. Morniroii: Low temperature fracture modes in bcc metals -- The ductile brittle transition temperature -- Experimental methods to examine and analyse fractures -- Analyses of the fractures and DBTT of non-sag tungsten -- Microscopic fracture modes -- Assessment -- HIGH TEMPERATURE FRACTURE OF NON-SAG WIRES / O. Horacsek: Failure modes -- Cavitation -- Cavitation in the presence of bubbles -- THE FAILURE OF INCANDESCENT LAMPS / E.J. Covington: Failure mechanisms -- Contributing factors in failure -- Wire stretch during coiling -- Critical mass loss -- Tungsten halogen lamps -- Summary of failure conditions -- CORROSION PROPERTIES OF TUNGSTEN METALLIZING WIRE / R. Eck: Corrosion experiments -- Evaluation -- PROPERTIES AND METALLURGICAL ASPECTS OF TUNGSTEN WIRE REINFORCED METALS / R. Warren: Properties -- Fibre matrix interactions -- Preparation of tungsten reinforced metal composites.
- Subject(s):
- ISBN:
- 1851663908
- Related Titles:
- Doped/non-sag tungsten
- Bibliography Note:
- Includes bibliographical references.
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