Heat Resistance Effect Evaluation Method of Copper-based Sintered Alloy Base Material on Friction Coefficient
Train mechanical brakes convert kinetic energy into friction heat, which is emitted, to obtain braking force. Therefore, when stopping distance needs to be shortened to improve safety, the heat load on the brake increases. Friction material used for the brake is then required to have a thermally sta...
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| Veröffentlicht in: | Quarterly Report of RTRI 2022/05/01, Vol.63(2), pp.88-94 |
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| creator | NISHIMORI, Hisanori KARINO, Yasushi TSUJI, Takafumi SAKAI, Shogo |
| description | Train mechanical brakes convert kinetic energy into friction heat, which is emitted, to obtain braking force. Therefore, when stopping distance needs to be shortened to improve safety, the heat load on the brake increases. Friction material used for the brake is then required to have a thermally stable friction coefficient in addition to the heat capacity capable of accepting a given kinetic energy. This study therefore focuses on a method for evaluating brake friction materials used in Shinkansen, especially copper-based sintered alloy. We conducted experimental investigations, such as thermal analysis of solid lubricants and measurement of friction coefficient using a high-temperature friction test apparatus. This paper introduces the developed evaluation method of the heat resistance of base materials on the experiment results. |
| doi_str_mv | 10.2219/rtriqr.63.2_88 |
| format | Article |
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Therefore, when stopping distance needs to be shortened to improve safety, the heat load on the brake increases. Friction material used for the brake is then required to have a thermally stable friction coefficient in addition to the heat capacity capable of accepting a given kinetic energy. This study therefore focuses on a method for evaluating brake friction materials used in Shinkansen, especially copper-based sintered alloy. We conducted experimental investigations, such as thermal analysis of solid lubricants and measurement of friction coefficient using a high-temperature friction test apparatus. This paper introduces the developed evaluation method of the heat resistance of base materials on the experiment results.</description><identifier>ISSN: 0033-9008</identifier><identifier>EISSN: 1880-1765</identifier><identifier>DOI: 10.2219/rtriqr.63.2_88</identifier><language>eng</language><publisher>Tokyo: Railway Technical Research Institute</publisher><subject>base material of friction material ; brake friction material for Shinkansen ; Brakes ; Coefficient of friction ; Copper base alloys ; Evaluation ; friction coefficient ; High temperature ; high-temperature friction apparatus ; Kinetic energy ; Sintering ; Solid lubricants ; Thermal analysis ; Thermal resistance ; Thermal stability</subject><ispartof>Quarterly Report of RTRI, 2022/05/01, Vol.63(2), pp.88-94</ispartof><rights>2022 by Railway Technical Research Institute</rights><rights>Copyright Japan Science and Technology Agency 2022</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4298-cadd5ca77c6b687e1073e388f33abce4676291a4851aaf43c04b719a32c1e1033</citedby><cites>FETCH-LOGICAL-c4298-cadd5ca77c6b687e1073e388f33abce4676291a4851aaf43c04b719a32c1e1033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids></links><search><creatorcontrib>NISHIMORI, Hisanori</creatorcontrib><creatorcontrib>KARINO, Yasushi</creatorcontrib><creatorcontrib>TSUJI, Takafumi</creatorcontrib><creatorcontrib>SAKAI, Shogo</creatorcontrib><title>Heat Resistance Effect Evaluation Method of Copper-based Sintered Alloy Base Material on Friction Coefficient</title><title>Quarterly Report of RTRI</title><addtitle>QR of RTRI</addtitle><description>Train mechanical brakes convert kinetic energy into friction heat, which is emitted, to obtain braking force. 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This paper introduces the developed evaluation method of the heat resistance of base materials on the experiment results.</description><subject>base material of friction material</subject><subject>brake friction material for Shinkansen</subject><subject>Brakes</subject><subject>Coefficient of friction</subject><subject>Copper base alloys</subject><subject>Evaluation</subject><subject>friction coefficient</subject><subject>High temperature</subject><subject>high-temperature friction apparatus</subject><subject>Kinetic energy</subject><subject>Sintering</subject><subject>Solid lubricants</subject><subject>Thermal analysis</subject><subject>Thermal resistance</subject><subject>Thermal stability</subject><issn>0033-9008</issn><issn>1880-1765</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kE1rGzEQhkVpoCbJtWdBz-vqY1fSnopr7CYQE8jHWczKo0Zhs7IluZB_X7kOgV4yh5lh5nln4CXkK2dzIXj_PZUU9mmu5FxYYz6RGTeGNVyr7jOZMSZl0zNmvpDLnMPAmKghDZuRlyuEQu8wh1xgckhX3qMrdPUHxgOUECe6wfIUtzR6uoy7HaZmgIxbeh-mgqk2i3GMr_RnHdIN1FGAkVbZOgX3T7-M6H1wAadyQc48jBkv3-o5eVyvHpZXzc3tr-vl4qZxrehN42C77Rxo7dSgjEbOtERpjJcSBoet0kr0HFrTcQDfSsfaQfMepHC8wlKek2-nu7sU9wfMxT7HQ5rqSyt01yreGWM-pJQWUvdcH6n5iXIp5pzQ210KL5BeLWf26L09eW-VtEfvq-DHSfBcLf2N7zikEtyI_-E1GfO-cU-QLE7yL6P4j98</recordid><startdate>20220501</startdate><enddate>20220501</enddate><creator>NISHIMORI, Hisanori</creator><creator>KARINO, Yasushi</creator><creator>TSUJI, Takafumi</creator><creator>SAKAI, Shogo</creator><general>Railway Technical Research Institute</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20220501</creationdate><title>Heat Resistance Effect Evaluation Method of Copper-based Sintered Alloy Base Material on Friction Coefficient</title><author>NISHIMORI, Hisanori ; KARINO, Yasushi ; TSUJI, Takafumi ; SAKAI, Shogo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4298-cadd5ca77c6b687e1073e388f33abce4676291a4851aaf43c04b719a32c1e1033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>base material of friction material</topic><topic>brake friction material for Shinkansen</topic><topic>Brakes</topic><topic>Coefficient of friction</topic><topic>Copper base alloys</topic><topic>Evaluation</topic><topic>friction coefficient</topic><topic>High temperature</topic><topic>high-temperature friction apparatus</topic><topic>Kinetic energy</topic><topic>Sintering</topic><topic>Solid lubricants</topic><topic>Thermal analysis</topic><topic>Thermal resistance</topic><topic>Thermal stability</topic><toplevel>online_resources</toplevel><creatorcontrib>NISHIMORI, Hisanori</creatorcontrib><creatorcontrib>KARINO, Yasushi</creatorcontrib><creatorcontrib>TSUJI, Takafumi</creatorcontrib><creatorcontrib>SAKAI, Shogo</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Quarterly Report of RTRI</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>NISHIMORI, Hisanori</au><au>KARINO, Yasushi</au><au>TSUJI, Takafumi</au><au>SAKAI, Shogo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Heat Resistance Effect Evaluation Method of Copper-based Sintered Alloy Base Material on Friction Coefficient</atitle><jtitle>Quarterly Report of RTRI</jtitle><addtitle>QR of RTRI</addtitle><date>2022-05-01</date><risdate>2022</risdate><volume>63</volume><issue>2</issue><spage>88</spage><epage>94</epage><pages>88-94</pages><issn>0033-9008</issn><eissn>1880-1765</eissn><abstract>Train mechanical brakes convert kinetic energy into friction heat, which is emitted, to obtain braking force. 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| issn | 0033-9008 1880-1765 |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese |
| subjects | base material of friction material brake friction material for Shinkansen Brakes Coefficient of friction Copper base alloys Evaluation friction coefficient High temperature high-temperature friction apparatus Kinetic energy Sintering Solid lubricants Thermal analysis Thermal resistance Thermal stability |
| title | Heat Resistance Effect Evaluation Method of Copper-based Sintered Alloy Base Material on Friction Coefficient |
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