Abstract
The production of plastics and plastics components requires equipment that can withstand severe wear and, in a high percentage of cases, wear and corrosion environments. There are two basic elements of plastic extrusion equipment: the barrels and the screws. Both must manifest similar properties, but since screw elements are less costly and easier to replace, they are usually designed to wear out first. Due to the high cost of wear/corrosion-resistance materials, the industry used clad (i.e., bimetallic) components. Barrel sections and screw segments are both produced as hot-isostatic press clad components using similar processes. There are any number of material combinations that are used and that are possible for the right application.
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W.K. Uhl and M.R. Pendley, “A HIP Clad, Nickel Base Alloy for Deep Sour Wells,” Paper 215, CORROSION/84 (Houston, TX: NACE, 1984), p. 8.
W.K. Uhl and M.R. Pendley, “Evaluation of HIP NICKEL BASE ALLOYS for Extreme Sour Service,” Paper 219, CORROSION/84 (Houston, TX: NACE, 1984), pp. 11–12.
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Authors’ Note: CPM and 10V are registered trademarks of Crucible Materials Corporation. The material contained in this paper is intended for general information only and should not be used in relation to any specific application without independent study and determination of its applicability for the intended application. Anyone making use of this material or relying thereon assumes all risk and liability arising therefrom.
For more information, contact M.F. Bishop, Crucible Compaction Metals, 1001 Robb Hill Road, Oakdale, Pennsylvania 15071; (412) 923-2670; fax (412) 788-4240; e-mail bishop@cruciblecompaction.com.
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Bishop, M.F., Nickel, C.F. HIP-clad products for the plastics industry. JOM 51, 32–34 (1999). https://doi.org/10.1007/s11837-999-0107-6
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DOI: https://doi.org/10.1007/s11837-999-0107-6