Improved molding of DAP (diallyl phthalate) electrical components in aluminum housings

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Description

Diallyl phthalate (DAP) resin-based compounds with fiberglass reinforcements were used for the transfer molding of electrical components in aluminum housings. The gate size for this molding is less than 1 mm, and the end products, which are very small parts, must conform to stringent dimensional tolerances (typically {plus minus}0.05 mm). Parts must also exhibit physical properties that exceed the requirements specified by Mil-M-14G without compromising excellent electrical characteristics. In the past, processing had proceeded with only minor difficulties, but an alloy change instituted for the electrode material caused molding yields to plummet from 80 to 25%. Subsequent evaluations and process ... continued below

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Pages: (8 p)

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Kaye, C.J. January 1, 1990.

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Description

Diallyl phthalate (DAP) resin-based compounds with fiberglass reinforcements were used for the transfer molding of electrical components in aluminum housings. The gate size for this molding is less than 1 mm, and the end products, which are very small parts, must conform to stringent dimensional tolerances (typically {plus minus}0.05 mm). Parts must also exhibit physical properties that exceed the requirements specified by Mil-M-14G without compromising excellent electrical characteristics. In the past, processing had proceeded with only minor difficulties, but an alloy change instituted for the electrode material caused molding yields to plummet from 80 to 25%. Subsequent evaluations and process modifications not only remedied the impact of the alloy change but also increased yields to 96%. 9 figs., 1 tab.

Physical Description

Pages: (8 p)

Notes

OSTI; NTIS; GPO Dep.

Source

  • 22. international technical conference of the Society for the Advancement of Material and Process Engineering, Boston, MA (USA), 6-8 Nov 1990

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  • Other: DE91006446
  • Report No.: MLM-3672(OP)
  • Report No.: CONF-901104--2
  • Grant Number: AC04-88DP43495
  • Office of Scientific & Technical Information Report Number: 6334147
  • Archival Resource Key: ark:/67531/metadc1209824

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1990

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Dec. 13, 2018, 5:22 p.m.

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Kaye, C.J. Improved molding of DAP (diallyl phthalate) electrical components in aluminum housings, article, January 1, 1990; United States. (https://digital.library.unt.edu/ark:/67531/metadc1209824/: accessed March 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.