94th Casting Congress Preprints.94th Casting Congress Preprints The following is a list of the 1990 papers that were available as preprints at the 94th AFS A distributed file system for large, widely dispersed Unix and Windows networks from Transarc Corporation, now part of IBM. It is noted for its ease of administration and expandability and stems from Carnegie-Mellon's Andrew File System. AFS - Andrew File System Casting Congress and CastExpo '90 held in Detroit April 21-24. They are still available for purchase by contacting the AFS Library at 708/824-0181 or 800/537-4237. ENGINEERING An Application of Mixed Integer Programming Integer programming Variant of linear programming in which the solution values must be integers. to Schedule the Basic Operations for Making Castings in a Foundry - Part 1 (90-154) R. Lewis, L.G. Yu, The Ohio State Univ, Columbus, OH Modeling of Porosity Formation in Castings (90-164) H.L. Tsai, I.J. Chiou, Univ of Missouri/Rolla, Rolla, MO An Efficient and Accurate Numerical Algorithm for Multi-Dimensional Modeling of Casting Solidification - Part I - Control Volume Method (90-132) J.H. Chen, H.L. Tsai, Univ of Missouri/Rolla, Rolla, MO Comparison of Different Modes of Latent Heat latent heat, heat change associated with a change of state or phase (see states of matter). Latent heat, also called heat of transformation, is the heat given up or absorbed by a unit mass of a substance as it changes from a solid to a liquid, from a liquid to a gas, Release for Modeling Casting Solidification (90-133) J.H. Chen, H.L. Tsai, Univ of Missouri/Rolla, Rolla, MO Modeling the Effectiveness of Chills During Solidification (90-058) H. Huang, J.T. Berry, Univ of Alabama/Tuscaloosa, Tuscaloosa, AL; A. Lodhia, AT&T Labs A New Fast, Flexible Spectrometer for Highly Accurate Analysis of Major, Minor and Trace Constituents in Complex Casting Alloys (90-025) W.C. Batie, A.E. Bernhard, E.J. Edin, Analyte Corp, Grants Pass, OR Computer Assisted Production/Quality Management for the Smaller Foundry (90-087) T.Law, Dewtec Systems, Ltd, Birmingham, England ALUMINUM Influence of Solution Parameters and Simplified Supersaturation supersaturation, n the addition to or presence of an ingredient in a solution in greater quantity than the solvent can permanently take up. Treatments on Tensile Properties of A356 Alloy (90-180) S. Shivkumar, B. Steenhoff, D. Apelian, Drexel Univ, Philadelphia, PA Effects of Solidification Parameters on the Feeding Efficiency of A356 Aluminum Alloy (90-117) E.N. Pan, C.S. Lin, National Taiwan Univ, Taipei, Taiwan, China; C.R. Loper lope intr.v. loped, lop·ing, lopes To run or ride with a steady, easy gait. n. A steady, easy gait. [Middle English lopen, to leap, from Old Norse , Jr., Univ of Wisconsin/Madison, Madison, WI Interactive Effects During Sodium or Strontium strontium (strŏn`shēəm) [from Strontian, a Scottish town], a metallic chemical element; symbol Sr; at. no. 38; at. wt. 87.62; m.p. 769°C;; b.p. 1,384°C;; sp. gr. 2.6 at 20°C;; valence +2. Treatment of Antimony antimony (ăn`tĭmō'nē) [Lat. antimoneum], semimetallic chemical element; symbol Sb [Lat. stibium,=a mark]; at. no. 51; at. wt. 121.75; m.p. 630.74°C;; b.p. 1,750°C;; sp. gr. (metallic form) 6. Containing A356 Alloy (90-019) W. Wang, J.E. Gruzleski, McGill Univ, Montreal, Quebec Measurement of the Thermal Conductance at the Mold/Metal Interface of Permanent Molds (90-010) F. Chiesa, Centre de Metallurgie, Trois-Rivieres, Quebec Modeling of Microstructure mi·cro·struc·ture n. The structure of an organism or object as revealed through microscopic examination. microstructure Noun a structure on a microscopic scale, such as that of a metal or a cell Evolution and Microporosity Formation in Cast Aluminum Alloys (90-178) S. Shivkumar, D. Apelian, J. Zou, Drexel Univ, Philadelphia, PA Occurring Behavior of Porosity and Feeding Capabilities of Sodium- and Strontium-Modified Al-Si Alloys (90-079) H. Iwahori, K. Yonekura, Y. Yamamoto, M. Nakamura, Toyota Central R&D Labs, Inc, Aichi-ken, Japan AFS RESEARCH A Study of the Relationship of Notch Yield Ration and Fracture Toughness of Structural Aircraft Quality D357 Aluminum Casting Alloy (90-171) A.F. Maloit, Consultant, Pasadena, CA; K.J. Oswalt, Northrop Corp, Hawthorne, CA Effects of Polymer Degradation on the Quality of Lost Foam Castings (90-181) S. Shivkumar, D. Apelian, L. Wang, Drexel Univ, Philadelphia, PA Nonequilibrium Crystallization Crystallization The formation of a solid from a solution, melt, vapor, or a different solid phase. Crystallization from solution is an important industrial operation because of the large number of materials marketed as crystalline particles. of AlFeSi Compound in Melt-Superheated Al-Si Alloy Castings (90-176) H. Awano, Y. Shimizu, Toyota Central R&D Labs, Aichi-ken, Japan Evaluation of Acoustic Emission from Sand Cast Aluminum Alloy 319 During Solidification and Formation of Casting Defects (90-136) A.L. Purvis, E. Kannatey-Asibu, R.D. Pehlke, Univ of Michigan, Ann Arbor, MI Clean Metal for Aluminum Foundries - New Technology Using a Rotor Degasser and Filter Pump (90-138) D.V. Neff, P.V. Cooper, Metaullics Systems Div, Solon Solon, Athenian statesman Solon (sō`lən), c.639–c.559 B.C., Athenian statesman, lawgiver, and reformer. He was also a poet, and some of his patriotic verse in the Ionic dialect is extant. At some time (perhaps c.600 B.C. , OH Modeling Silicon Carbide Reinforced Aluminum Foundry Alloys (90-088) A. Saigal, Tufts Univ, Medford, MA Role of Squeeze-Casting Technique in Achieving Improved Property Performance Levels of Al-Al203-MgO Cast Particulate MMCs (90-096) J. Singh, S.K. Goel, V.N.S. Mathur, M.L. Kapoor, Univ of Roorkee, Roorkee, India Nondestructive Testing of Aluminum Composite Castings (90-119) D.E. Hammond, Duralcan USA, San Diego, CA BRASS & BRONZE Development of Copper Alloy Composition for Gravity, Low Pressure and High Pressure Die Casting (90-055) R.H. Haupt, Miller & Engelhardt Investing, Lake Havasu City, AZ Grain Refinement of a Cast Cu-Ni-Sn Spinodal Alloy (90-097) M. Sahoo, M. Wirth, Canmet/MTL, Ottawa, Ontario Some Experiments on Castability and Gating in the Permanent Mold Casting of Copper-Base Alloys (90-069) K.G. Davis, J.G. Magny, Canmet/PMRL, Ottawa, Ontario The Effects of Shotblasting on the Ductility of Red Brass (90-183) E.P. Bloomfield, Kohler Co, Kohler, WI MOLDING METHODS & MATERIALS Proper Reblending Techniques for Foundry Sand Systems and Their Effect on Nobake Binder Properties (90-029) D.F. Hoyt, Wedron Silica Co, Wedron, IL; A. Otte, Ashland Chemical Co, Dublin, OH; W.D. Scott, ESCO ESCO Energy Service Company ESCO Estonian Shipping Company ESCO Esfahan Steel Company (Iran) ESCO Electric Steel Company, Inc. ESCO Eastern Sydney Chamber Orchestra (Australia) Corp, Portland, OR Hot Distortion of Cold Box Systems (90-070) G. Fountaine, K.B. Horton, Ashland Chemical Co, Dublin, OH Chromite chromite (krō`mīt), dark brown to black mineral. It is an iron-chromium oxide, FeCr2O4, with traces of magnesium and aluminum. Double Skin Defect on Heavy Steel Castings (90-028) J.D. Howden, Volclay, Ltd, Merseyside, England Determination of Gage R&R on Various Methylene Blue methylene blue n. A basic aniline dye that forms a deep blue solution when dissolved in water and is used as a bacteriological stain and as an antidote for cyanide poisoning. Test Procedures (90-007) V.S. LaFay, S.L. Neltner, Hill & Griffith Co, Cincinnati, OH Cold Box Core Dilution in Green Sand - An Analysis of Effects on Casting Quality (90-050) L.J. Pedicini, M.B. Krysiak, George Fischer Foundry Systems, Inc, Holly, MI Clay Activation and Moisture in Green Sand Systems (90-032) R.A. Green, Applied Industrial Materials Corp, Deerfield, IL; R.W. Heine, Univ of Wisconsin/Madison, Madison, WI A Critical Literature Review of Theories for the Formation of Casting Metal Penetration Defects (90-083) P. Delannoy, D.M. Stefanescu, T.S. Piwonka, Univ of Alabama/Tuscaloosa, AL Synergistic Reactions of Various Bentonite bentonite (bĕn`tənīt'): see clay. Clay Types and Their Foundry Molding Sand Performance in the Presence of a Flowability Enhancer (90-024) D. Hentz, E. Olson, American Colloid colloid (kŏl`oid) [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and dispersed throughout a second substance. Company, Belle Fourche, SD Understanding Green Strength and Compactibility in Green Sand Systems (90-031) R.W. Heine, Univ of Wisconsin/Madison, Madison, WI; R.A. Green, Applied Industrial Materials Corp, Deerfield, IL; T.S. Shih, National Central Univ, Chung-Li, Taiwan, China Reduction in Sand Related Scrap Through Effective Sand Cooling (90-033) M.J. Aklinski, National Engineering Co, Chicago, IL; M.J. Granlund, Foundry Systems Control, Winfield, IL Mold/Metal Gap Formation of Aluminum Alloy 356 Cylinders Cast Horizontally in Dry and Green Sand (90-003) M.C. Lukens, R.D. Pehlke, T.X. Hou, Univ of Michigan, Ann Arbor, MI Effects of Sand and Carbon Fiber Additions on Plaster Mold and Casting Properties (90-095) J.W. Davis, J.R. Brevick, Pennsylvania State Univ, University Park, PA CAST IRON Statistical Modeling for the Prediction of Shrinkage in Ductile Iron Castings (90-071) C. Fung, P. Bartelt, F. Bradley, R.W. Heine, Univ of Wisconsin/Madison, Madison, WI Methods for Ensuring Sound SG Iron Castings (90-001) A. Louvo, P. Kalavainen, VTT VTT Technical Research Centre of Finland VTT Valtion Teknillinen Tutkimuskeskus (Finnish: Technical Research Centre of Finland) VTT Vélo Tout Terrain (French: mountain bike; aka ATB or MTB) Metallurgy Laboratory, Espoo, Finland; J.T. Berry, D.M. Stefanescu, Univ of Alabama, Tuscaloosa, AL Heat Transfer-Solidification Kinetics Modeling of Structural Transitions: Chill Formation in Gray Iron (90-156) K.G. Upadhya, D.M. Stefanescu, J.L. Hill, D.K. Banerjee, Univ of Alabama, Tuscaloosa, AL Grindability of White Cast Iron with Coated Abrasive Belts (90-081) F.D. Brown, J.G. Gagliardi, G.R. Abrahamson, E.J. Duwell, 3M Co, St. Paul, MN Refractory Cloth Filtration of Ductile Iron and the Mechanism of Inclusion Trapping (90-118) J.R. Hitchings, Amenex Assn, Inc, West Chester, PA; S. Clark, R.H. Sheppard, Hanover, PA Grid Method of Cast Iron Selection for Designed Applications (90-124) J.F. Janowak, Grede Foundries, Inc, Milwaukee, WI Applying Delta T Measurements to Gray Iron Inoculation inoculation, in medicine, introduction of a preparation into the tissues or fluids of the body for the purpose of preventing or curing certain diseases. The preparation is usually a weakened culture of the agent causing the disease, as in vaccination against (90-100) J.R. Brevick, J.W. Davis, Pennsylvania State Univ, University Park, PA The Role of Antimony in Heavy Section Ductile Iron (90-163) B.C. Liu, T.X. Li, Z.J. Rui, Tsinghua Univ, Beijing, China; X.Y. Yang, E.Q. Huo, First Heavy Machinery Plant, Qiqihar, China; C.R. Loper, Jr., Univ of Wisconsin/Madison, Madison, WI Formation Mechanism of Chunky Graphite in Heavy Section Ductile Cast Irons (90-042) H. Itofuji, H. Uchikawa, UBE Ube (  `bā), city (1990 pop. 175,053), Yamaguchi prefecture, SW Honshu, Japan, on the Inland Sea. It has a modern harbor and an important chemical industry. Steel Co, Ltd, UBE City, Yamaguchi Prefecture, Japan Production and Evaluation of Heavy Section Ductile Cast Iron (90-043) H. Itofuji, H. Yamada, K. Kawamura, N. Hashimoto, UBE Steel Co, Ltd, UBE City, Yamaguchi Prefecture, Japan AFS RESEARCH Isothermal Transformation Diagrams in a Heavy Section High Alloy Ductile Cast Iron (90-126) D.J. Moore, K.B. Rundman, G.P. Faubert, E.D. McCarty, D.J. Ellerbrook, Michigan Technological Univ, Houghton, MI Influence of Austempering Temperature on the Mechanical Properties of a Cu-Ni Austempered Ductile Iron (90-160) M. Grech, Univ of Malta, Tal-Qrogg, Misda, Malta; J.M. Young, Univ of Birmingham, Birmingham, U.K. A Microstructural Determination of Isothermal Transformation Diagrams in a Low Alloy Ductile Iron (90-125) K.B. Rundman, K.L. Hayrynen, D.J. Moore, B.S. Shugart, Michigan Technological Univ, Houghton, MI A Study of the Austempering of a Ni-Cu Alloyed Ductile Iron (90-142) T.S. Shih, P.Y. Lin, C.H. Chang, National Central Univ, Chung-Li, Taiwan, China; C.R. Loper, Jr., Univ of Wisconsin/Madison, Madison, WI Fatigue Strength of Commercial Ductile Irons (90-123) D. Venugopalan, Univ of Wisconsin/Milwaukee, Milwaukee, WI; A. Alagarsamy, J.F. Janowak, Grede Foundries, Inc, Milwaukee, WI Effects of Alloy Additions on the Microstructure and Mechanical Properties of Commercial Ductile Iron (90-122) D. Venugopalan, Univ of Wisconsin/Milwaukee, Milwaukee, WI; A. Alagarsamy, Grede Foundries, Inc, Milwaukee, WI Prediction of Matrix Microstructure in Ductile Iron (90-121) D. Venugopalan, Univ of Wisconsin/Milwaukee, Milwaukee, WI Crack Initiation and Propagation in Gray and Compacted Graphite (CG) Cast Irons (90-091) R.C. Voigt, Univ of Kansas, Lawrence, KS; S.D. Holmgren, Honeywell, Inc, New Brighton, MN Study of the Solid-Liquid Interface During Unidirectional The transfer or transmission of data in a channel in one direction only. Solidification of Cast Iron (90-112) Y.X. Li, B.C. Liu, Tsinghua Univ, Beijing, China; C.R. Loper, Jr., Univ of Wisconsin/Madison, Madison, WI Low Thermal Expansion Cast Irons with Various Graphite Shapes and the Thermal Deformation Characteristics (90-027) T. Noguchi, T. Muroga, K. Minoya, Hokkaido Univ, Sapporo, Japan; H. Nayuki, Hokkaido Ind. Research Institute, Sapporo, Japan Solid State Graphite Formation in Ductile Iron (90-143) A. Javaid, C.R. Loper, Jr., Univ of Wisconsin/Madison, Madison, WI Morphology of Kish Graphite (90-111) S. Liu, C.R. Loper, Jr., Univ of Wisconsin/Madison, Madison, WI INVESTMENT CASTING Ductility Improvement BeCu C82500 Casting Alloy (90-041) A. Torok, T. Walsh, Sr., Arwood Corp, Tilton, NH; C. Hershberger, Y.V. Murty, NGK NGK Nederlandse Gereformeerde Kerk (Dutch Reformed Church; South Africa) NGK New Greek NGK Nihon Gaishi Kaisha (NGK Insulators, Ltd. Nagoya, Japan) Metals Corp, Reading, PA Thin Walled Castings by the CLV (Constant Linear Velocity) Rotating a disk at varying speeds. By changing speed depending on which track is being accessed, the density of bits in each track can be made uniform. Process (90-082) D. Cargill, Hitchiner Mfg Co, Inc, Milford, NH; D. Chandley, Metal Casting Technology, Milford, NH Strontium Modification of Aluminum Investment Casting Alloys (90-090) B. Closset, Timminco Metals, Toronto, Ontario; D. Fay, UniCastDiv/Strum, Ruger & Co, Inc, Londonberry, NH Solidification Modeling of Single-Crystal Investment Castings (90-053) K.-O. Yu, M. Robinson, PCC PCC prothrombin complex concentrate. Airfoils, Inc, Beachwood, OH; M.J. Beffel, PCC Airfoils, Inc, Douglas, GA; D.D. Goettsch, B.G. Thomas, Univ of Illinois, Champaign, IL: D. Pinnella, Structural Research Dynamics Corp, Milford, OH; R.G. Carlson, GE Aircraft Engines Co, Cincinnati, OH PATTERN From Conventional to CNC (Computerized Numerical Control) See numerical control. CNC - Collaborative Networked Communication Pattern Build CAD-CAM Start Up (90-173) G. Witcombe, John Deere, Waterloo, IA Use of a CMM (Capability Maturity Model) A process developed by SEI in 1986 to help improve, over time, the application of an organization's supporting software technologies. Throughout the Making of Pattern Tooling (90-046) J.L. Binzak, Wisconsin Pattern Co, Racine, WI Material Wear Resistance Quantification (90-048) J.E. Hoge, CIBA-GEIGY FSG See Linux Foundation. , E. Lansing, MI; R. Eadara, CIBA-GEIGY FSG, Madison Heights, MI MELTING METHODS & MATERIALS The Benefits of Plasma on A Cupola cupola /cu·po·la/ (koo´pah-lah) cupula. cu·po·la n. A cup-shaped or domelike structure. cupola cupula. Furnace (90-152) G. Crouzillat, Aerospatiale Produits Nouveaux, Les Mureaux, France Estimating Cupola and Induction Melting Costs Using a Computer Model (90-054) G.A. Walzer, Center for Materials Production, Pittsburgh, PA; J. Rotella, Hatch Associates, Buffalo, NY Ladle and Tundish tun·dish n. 1. A funnel. 2. A container for pouring molten metal into a mold, having holes in the bottom to prevent splashing. Sprayed Refractory Lining Advantages (90-012) A.W. Powdrell, D. Helliwell, Harbison-Walker Refractories, Pittsburgh, PA Investigation into Secondary Metallurgical Process for Small Heats (90-105) F. Wagener, Technometal GmbH, Duisburg, West Germany; N.G. Bliss, Milltech HOH, Inc, Davenport, IA STEEL Induction Ladle Metallurgy for the Steel Foundry (90-130) R.U. Swaney, N.P. Cignetti, Inductosteel, Pittsburgh, PA Plasma Refining for Steel Foundries (90-026) J.M. Svoboda, Process Metallurgy International, Inc, Arlington Heights, IL Intercritical Normalize normalize to convert a set of data by, for example, converting them to logarithms or reciprocals so that their previous non-normal distribution is converted to a normal one. Treatment of a Low Carbon-Mn-Re Cast Steel (90-147) H. Ding, H.X. Chen, Shenyang Univ of Technology, Shenyang, China Selecting the Best Grinding Wheel for Steel Castings (90-056) A.R. Hubbard, J.C. Buehler, Rockwell International, Atchison, KS Variation of Inclusions in Cast Steel with Mold Types and Its Effects on Properties (90-107) T.S. Shih, J.Y. Wang, National Central Univ, Chung-Li, Taiwan, China Advanced Reticulated reticulated /re·tic·u·lat·ed/ (-lat?ed) reticular. reticulated reticular. Ceramic Metal Filters and Performance Results from Select Steel Foundries (90-131) J. Morris, Hi-Tech Ceramics, Inc, Alfred, NY; S. Sahu, Waukesha Foundry, Inc, Waukesha, WI; U.S. Sievers, Rath rath (rä, räth), circular hill fort protected by earthworks, used by the ancient Irish in the pre-Christian era as a retreat in time of danger. Deutschland GmbH, Dusseldorf, Germany Computer Controlled Melting Procedure for Steel Castings (90-035) H. Ableidinger, Engineering Ableidinger & Co, Kilchberg, Switzerland A Knowledge Representation for Diagnosing Defects in Steel Castings (90-101) H.M. Roshan, P. Jain, Indian Institute of Technology, Madras, India Practical Uses for Special Design Exothermic exothermic /exo·ther·mic/ (-ther´mik) marked or accompanied by evolution of heat; liberating heat or energy. ex·o·ther·mic or ex·o·ther·mal adj. 1. Mini Risers (90-057) C.C. Noll, J.D. Kautz, Rockwell International, Atchison, KS Feeding Distance in Steel - A Second Look (90-038) N. Wukovich, Foseco, Inc, Cleveland, OH Gating of Steel Castings - The Foundryman's Dilemma: Lessons from Tundish Flows (90-109) T.S. Piwonka, N.H. El-Kaddah, Univ of Alabama, Tuscaloosa, AL The Benefits of Solidification Simulation for Steel Castings (90-080) C.F. Corbett, Micromet, Ltd, West Bromwich, England; M. Picard, Acieries DuHaut Langucdoc, Ales, France ENVIRONMENTAL CONTROL Treatment of EP-Toxic Foundry Wastes - Regulatory and Technical Overview (90-067) T.P. Kunes, P.D. Turpin, R.R. Stanforth, RMT RMT right mentotransverse (position of the fetus). RMT 1. Registered Massage Therapist 2. Renal mesenchymal tumor , Inc, Madison, WI EXPENDABLE PATTERN CASTING Evaporative Pattern Casting Factors Affecting Expandable Polystyrene (EPS (Encapsulated PostScript) A PostScript file format used to transfer a graphic image between applications and platforms. EPS files contain PostScript code as well as an optional preview image in TIFF, WMF, PICT or EPSI, the latter being an ASCII-only format. ) Pattern Shrinkage (90-116) E.H. Niemann, G.B. Kelly, ARCO Chemical Co, Newtown Square, PA PMMA PMMA polymethyl methacrylate. Molded Foams for Use in the Ferrous EPC (1) (Entertainment PC) See HTPC. (2) (Electronic Product Code) A standard code for RFID tags administered by EPCglobal Inc. (www.epcglobalinc.org). Process (90-145) J.W. Brenner, Dow Chemical U.S.A., Granville, OH; P.S. Frederick, N.G. Moll, Dow Chemical U.S.A., Midland, MI A Suppliers Overview of Lost Foam Refractory Coatings (90-021) O.A. Martinez, Thiem/Arco/Leeco, Toledo, OH Lost Foam Methoding: From Concept to Component (90-092) N.K. Graham, Foseco International, Ltd, Birmingham, England; T.R. Webster, Foseco Morval Technology, Birmingham, England Sand Vibration for the Lost Foam Process (90-093) E.L. Wegscheid, Deere & Co Technical Center, Moline, IL The Prospects for Lost Foam in 1995 (90-115) J.A. Troxler, Jr., Robinson Foundry, Alexander City, AL Production of Aluminum Alloy Castings Using Evaporative Pattern and Vacuum Techniques (90-030) J.L. Dion, J.R. Emmett, M. Sahoo, Canmet/MTL, Ottawa, Ontario; R.D. Warda, R.K. Buhr, Energy, Mines & Resources-Canada, Ottawa, Ontario |
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