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An Engineering Comparison of Die Cast Zinc and Injection Molded Polymers
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1971 by SAE International in United States
Annotation ability available
An engineering evaluation conducted by the International Lead Zinc Research Organization, Inc. (ILZRO) has produced data which verify that die cast zinc is stronger, stiffer, and more thermally resistant than five major engineering thermoplastics-polycarbonate, polyacetal, nylon, ABS (acrylonitrile-butadiene-styrene), and polypropylene-under identical test procedures. However, since zinc is five to eight times more dense than the polymers tested (and most other unfilled polymers), the plastics industry often stresses the high strength-to-weight ratios and low cost per cubic inch of plastics as more than offsetting advantages. The question facing the design engineer, therefore, is: which material is the best choice for the particular application; that is, which will provide the required strength and stiffness at lowest cost? On the basis of the comparative tests performed in this research effort, the SAE 903 zinc die casting alloy is demonstrably the superior material on a cost-performance basis.
CitationLazar, L. and Herrschaft, D., "An Engineering Comparison of Die Cast Zinc and Injection Molded Polymers," SAE Technical Paper 710199, 1971, https://doi.org/10.4271/710199.
- “Plastics … Will they really do the job?” Precision Metal Molding February 1962
- “A New Look at Die Castings” Precision Castings Co. Cleveland 1965
- “Why Plastics don't live up to Design Data.” Product Engineering April 25 1966
- “The Challenge of Plastics.” Metals Week January 30 1967
- Hauck J. E. “Engineer's Guide to Plastics.” Materials in Design Engineering February 1967
- “Plastics vs. Metals-Engineering Analysis,” Regional Technical Conference Society of Plastics Engineers, Inc. Newark February 1967
- “A New Look at Molded Plastics” Precision Castings Co. Cleveland 1967
- “The Zinc vs. Plastics Battle: A counteroffensive is on.” The Iron Age July 27 1967
- “Plastics-Facts and Fiction,” Precision Metal Molding August 1967
- “The Zinc Spotlight” Newsletter of the American Zinc Institute, Inc. 29 1967
- “What Engineers Should Know about Plastics.” Metals/Materials Today December 1967
- Standard Tests on Plastics/Bulletin G1C 4th Celanese Plastics Co.
- Durbin H. S. “From Zinc Die Castings to Plated ABS.” Materials Today January 1968
- Wendle B. C. “A Comparison of Properties-Zinc Alloy and Polycarbonate.” Plastics Design & Processing April 1968
- McDermott J. J. “For Small Parts: Zinc or Plastic?” Precision Metal May 1968
- Smith D. S. Adamson E. L. “The Outlook for Plastics Usage in the Automobile Body over the Next Decade.” Paper 680459 SAE Mid-Year Meeting Detroit May 1968
- “Facing the Problems of Fire,” Modern Plastics June 1968
- Brammer W. M. “Diecastings and Plastics-Friends or Foes?” Foundry July 1968
- Brammer W. M. “Metals vs. Plastics: War or Wedding?” Die Casting Engineer July-August 1968
- “Why Zinc” Zinc Die Castings vs. Injection Moldings American Zinc Institute, Inc.
- “Metal Die Castings and Plastic Injection Moldings.” Design New October 11 1968
- Carroll R. J. “Present and Future Automotive Plastics Applications.” SPI National Plastics Conference Chicago November 1968
- “G. M. Recall Focuses Role of Nonmetal Parts.” Metal-working News March 3 1969
- Bollman H. “Die Casting vs. Molded Plastics Casting Engineering March-April 1969
- “$50 Million Lesson,” Modern Plastics May 1969
- Dreger D. R. “Plastic Moldings … or Metal Die Castings?” Machine Design July 24 1969
- “Design Properties of Materials.” Aluminum Smelters Research Institute Chicago
- “Fiascos.” Modern Plastics November 1969
- “Polyarylsulfone-An Ultra-High Performance Thermoplastic.” Plastics Design & Processing December 1969
- Adams R. F. “Design Considerations: Thermoplastics vs Die Casting Alloys.” Purdue University, Mechanical Engineering July 1970