Heat resisting cast iron and exhaust system part therefrom
A graphite-containing, heat-resistant cast iron for exhaust equipment members used at temperatures exceeding 800°C, comprising 3.5-5.6% of Si and 1.2-15% of W on a weight basis, and having intermediate layers, in which W and Si are concentrated, in the boundaries of graphite particles and a matrix....
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| creator | IGARASHI YOSHIO,ENDO SEIICHI,MIYAKE MASAHIRO,KAWATA TSUNEHIRO |
| description | A graphite-containing, heat-resistant cast iron for exhaust equipment members used at temperatures exceeding 800°C, comprising 3.5-5.6% of Si and 1.2-15% of W on a weight basis, and having intermediate layers, in which W and Si are concentrated, in the boundaries of graphite particles and a matrix. An exhaust equipment member formed by this heat-resistant cast iron has an A C1 transformation point is 840°C or higher when measured from 30°C at a temperature-elevating speed of 3°C/minute, and a thermal cracking life of 780 cycles or more in a thermal fatigue test, in which heating and cooling are conducted under the conditions of an upper-limit temperature of 840°C, a temperature amplitude of 690°C and a constraint ratio of 0.25. |
| format | Patent |
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An exhaust equipment member formed by this heat-resistant cast iron has an A C1 transformation point is 840°C or higher when measured from 30°C at a temperature-elevating speed of 3°C/minute, and a thermal cracking life of 780 cycles or more in a thermal fatigue test, in which heating and cooling are conducted under the conditions of an upper-limit temperature of 840°C, a temperature amplitude of 690°C and a constraint ratio of 0.25.</description><language>eng</language><subject>ALLOYS ; BLASTING ; CHEMISTRY ; ENGINE PLANTS IN GENERAL ; FERROUS OR NON-FERROUS ALLOYS ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; METALLURGY ; STEAM ENGINES ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070307&DB=EPODOC&CC=CN&NR=1926255A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070307&DB=EPODOC&CC=CN&NR=1926255A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IGARASHI YOSHIO,ENDO SEIICHI,MIYAKE MASAHIRO,KAWATA TSUNEHIRO</creatorcontrib><title>Heat resisting cast iron and exhaust system part therefrom</title><description>A graphite-containing, heat-resistant cast iron for exhaust equipment members used at temperatures exceeding 800°C, comprising 3.5-5.6% of Si and 1.2-15% of W on a weight basis, and having intermediate layers, in which W and Si are concentrated, in the boundaries of graphite particles and a matrix. An exhaust equipment member formed by this heat-resistant cast iron has an A C1 transformation point is 840°C or higher when measured from 30°C at a temperature-elevating speed of 3°C/minute, and a thermal cracking life of 780 cycles or more in a thermal fatigue test, in which heating and cooling are conducted under the conditions of an upper-limit temperature of 840°C, a temperature amplitude of 690°C and a constraint ratio of 0.25.</description><subject>ALLOYS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>STEAM ENGINES</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDySE0sUShKLc4sLsnMS1dITiwuUcgsys9TSMxLUUityEgsBQoUVxaXpOYqFCQWlSiUZKQWpaYV5efyMLCmJeYUp_JCaW4GeTfXEGcP3dSC_PjU4oLE5NS81JJ4Zz9DSyMzI1NTR2PCKgDQiC5z</recordid><startdate>20070307</startdate><enddate>20070307</enddate><creator>IGARASHI YOSHIO,ENDO SEIICHI,MIYAKE MASAHIRO,KAWATA TSUNEHIRO</creator><scope>EVB</scope></search><sort><creationdate>20070307</creationdate><title>Heat resisting cast iron and exhaust system part therefrom</title><author>IGARASHI YOSHIO,ENDO SEIICHI,MIYAKE MASAHIRO,KAWATA TSUNEHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1926255A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><topic>ALLOYS</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>STEAM ENGINES</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>IGARASHI YOSHIO,ENDO SEIICHI,MIYAKE MASAHIRO,KAWATA TSUNEHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IGARASHI YOSHIO,ENDO SEIICHI,MIYAKE MASAHIRO,KAWATA TSUNEHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Heat resisting cast iron and exhaust system part therefrom</title><date>2007-03-07</date><risdate>2007</risdate><abstract>A graphite-containing, heat-resistant cast iron for exhaust equipment members used at temperatures exceeding 800°C, comprising 3.5-5.6% of Si and 1.2-15% of W on a weight basis, and having intermediate layers, in which W and Si are concentrated, in the boundaries of graphite particles and a matrix. An exhaust equipment member formed by this heat-resistant cast iron has an A C1 transformation point is 840°C or higher when measured from 30°C at a temperature-elevating speed of 3°C/minute, and a thermal cracking life of 780 cycles or more in a thermal fatigue test, in which heating and cooling are conducted under the conditions of an upper-limit temperature of 840°C, a temperature amplitude of 690°C and a constraint ratio of 0.25.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ALLOYS BLASTING CHEMISTRY ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY STEAM ENGINES TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | Heat resisting cast iron and exhaust system part therefrom |
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