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Powder metallurgy ferrous synchronizer ring with brass-based friction layer; Tetsu-do niso shoketsu synchronize ring no kaihatsu

Abstract

Synchronizer rings for manual transmissions are generally made of brass or molybdenum coated brass. Powder metallurgy (PM) synchronizer ring was developed for the purpose of high performance and cost reduction. This synchronizer ring consists of the high strength PM ferrous ring that needs neither special densification nor heat treatment, and it has the brass-based friction layer. New joining technique was required because of that shape and two different materials. Powder of copper-phosphorus alloy are admixed with the friction material. While sintering, that melt and migrate to the interface. Then the friction layer and the ferrous ring are joined tightly. 7 refs., 9 figs., 6 tabs.
Authors:
Okajima, H; Yoshikawa, K; Miyajima, K; Sugiyama, M; [1]  Nakamura, M; Ito, M [2] 
  1. Toyota Motor Corp., Aichi (Japan)
  2. Japan Powder Metallurgy Co. Ltd., Tokyo (Japan)
Publication Date:
Oct 01, 1997
Product Type:
Conference
Report Number:
ETDE/JP-98753752; CONF-9710216-
Reference Number:
SCA: 330602; 360101; 360103; PA: JP-98:0G1267; EDB-98:074120; SN: 98001948931
Resource Relation:
Conference: 1997 Fall Japan Society of Automotive Engineers (JSAE) meeting science lecture, JSAE 1997 nen shuki taikai gakujutsu koenkai, Hiroshima (Japan), 21-23 Oct 1997; Other Information: PBD: 1 Oct 1997; Related Information: Is Part Of Preprint of the Fall 1997 JSAE (Japan Society of Automotive Engineers) Meeting Science Lecture. No. 975; PB: 312 p.; Jidosha gijutsukai 1997 nen shuki taikai gakujutsu koenkai maezurishu. 975
Subject:
33 ADVANCED PROPULSION SYSTEMS; 36 MATERIALS SCIENCE; MECHANICAL TRANSMISSIONS; RINGS; POWDER METALLURGY; SINTERED MATERIALS; SYNCHRONIZATION; LAYERS; IRON; BRASS; FRICTION; AUTOMOBILES; COATINGS; MOLYBDENUM; HEAT TREATMENTS; COPPER ALLOYS; PHOSPHORUS ADDITIONS; INTERFACES; BONDING; TRIBOLOGY
OSTI ID:
625147
Research Organizations:
Society of Automotive Engineers of Japan, Tokyo (Japan)
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Other: ON: DE98753752; TRN: JN98G1267
Availability:
Available from Society of Automotive Engineers of Japan Inc., Gobancho 10-2, Chiyoda-ku, Tokyo, Japan (Japan); OSTI as DE98753752
Submitting Site:
NEDO
Size:
pp. 293-296
Announcement Date:

Citation Formats

Okajima, H, Yoshikawa, K, Miyajima, K, Sugiyama, M, Nakamura, M, and Ito, M. Powder metallurgy ferrous synchronizer ring with brass-based friction layer; Tetsu-do niso shoketsu synchronize ring no kaihatsu. Japan: N. p., 1997. Web.
Okajima, H, Yoshikawa, K, Miyajima, K, Sugiyama, M, Nakamura, M, & Ito, M. Powder metallurgy ferrous synchronizer ring with brass-based friction layer; Tetsu-do niso shoketsu synchronize ring no kaihatsu. Japan.
Okajima, H, Yoshikawa, K, Miyajima, K, Sugiyama, M, Nakamura, M, and Ito, M. 1997. "Powder metallurgy ferrous synchronizer ring with brass-based friction layer; Tetsu-do niso shoketsu synchronize ring no kaihatsu." Japan.
@misc{etde_625147,
title = {Powder metallurgy ferrous synchronizer ring with brass-based friction layer; Tetsu-do niso shoketsu synchronize ring no kaihatsu}
author = {Okajima, H, Yoshikawa, K, Miyajima, K, Sugiyama, M, Nakamura, M, and Ito, M}
abstractNote = {Synchronizer rings for manual transmissions are generally made of brass or molybdenum coated brass. Powder metallurgy (PM) synchronizer ring was developed for the purpose of high performance and cost reduction. This synchronizer ring consists of the high strength PM ferrous ring that needs neither special densification nor heat treatment, and it has the brass-based friction layer. New joining technique was required because of that shape and two different materials. Powder of copper-phosphorus alloy are admixed with the friction material. While sintering, that melt and migrate to the interface. Then the friction layer and the ferrous ring are joined tightly. 7 refs., 9 figs., 6 tabs.}
place = {Japan}
year = {1997}
month = {Oct}
}