PROCESS FOR MANUFACTURING SHAPED ARTICLE
The present invention provides a method for manufacturing formed article, which can inhibit damage and debonding of a coating layer at preforming and which can improve surface quality of the formed article when preforming a base material of a galvannealed steel sheet and then quenching the preform t...
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| creator | TAKEBAYASHI, HIROSHI KOJIMA, NOBUSATO TOKI, TAMOTSU NAKATA, MASAHIRO NAKAMURA, TOYOMITSU |
| description | The present invention provides a method for manufacturing formed article, which can inhibit damage and debonding of a coating layer at preforming and which can improve surface quality of the formed article when preforming a base material of a galvannealed steel sheet and then quenching the preform to produce a formed article. A method for manufacturing formed article comprising: a first step comprising: feeding into a first die a galvannealed steel sheet, as a material, which has a coating layer containing: 8-25 mass % of Fe, and a remnant containing Zn, Al, and impurity; and then preforming the galvannealed steel sheet such that material temperature just before preforming of the first step being within the range of 41-700 degree C, to obtain a preform; a second step of heating the preform at a temperature of A 1 transformation point or more; and a third step of quenching the heated preform from the temperature of A 1 transformation point or more to obtain a formed article. |
| format | Patent |
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A method for manufacturing formed article comprising: a first step comprising: feeding into a first die a galvannealed steel sheet, as a material, which has a coating layer containing: 8-25 mass % of Fe, and a remnant containing Zn, Al, and impurity; and then preforming the galvannealed steel sheet such that material temperature just before preforming of the first step being within the range of 41-700 degree C, to obtain a preform; a second step of heating the preform at a temperature of A 1 transformation point or more; and a third step of quenching the heated preform from the temperature of A 1 transformation point or more to obtain a formed article.</description><language>eng ; pol</language><subject>ALLOYS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PERFORMING OPERATIONS ; PUNCHING METAL ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2018</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=20181130&DB=EPODOC&CC=PL&NR=2159292T3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181130&DB=EPODOC&CC=PL&NR=2159292T3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKEBAYASHI, HIROSHI</creatorcontrib><creatorcontrib>KOJIMA, NOBUSATO</creatorcontrib><creatorcontrib>TOKI, TAMOTSU</creatorcontrib><creatorcontrib>NAKATA, MASAHIRO</creatorcontrib><creatorcontrib>NAKAMURA, TOYOMITSU</creatorcontrib><title>PROCESS FOR MANUFACTURING SHAPED ARTICLE</title><description>The present invention provides a method for manufacturing formed article, which can inhibit damage and debonding of a coating layer at preforming and which can improve surface quality of the formed article when preforming a base material of a galvannealed steel sheet and then quenching the preform to produce a formed article. A method for manufacturing formed article comprising: a first step comprising: feeding into a first die a galvannealed steel sheet, as a material, which has a coating layer containing: 8-25 mass % of Fe, and a remnant containing Zn, Al, and impurity; and then preforming the galvannealed steel sheet such that material temperature just before preforming of the first step being within the range of 41-700 degree C, to obtain a preform; a second step of heating the preform at a temperature of A 1 transformation point or more; and a third step of quenching the heated preform from the temperature of A 1 transformation point or more to obtain a formed article.</description><subject>ALLOYS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAICPJ3dg0OVnDzD1LwdfQLdXN0DgkN8vRzVwj2cAxwdVFwDArxdPZx5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QE-RoamlkaWRiEhxsbEqAEAHJIkqA</recordid><startdate>20181130</startdate><enddate>20181130</enddate><creator>TAKEBAYASHI, HIROSHI</creator><creator>KOJIMA, NOBUSATO</creator><creator>TOKI, TAMOTSU</creator><creator>NAKATA, MASAHIRO</creator><creator>NAKAMURA, TOYOMITSU</creator><scope>EVB</scope></search><sort><creationdate>20181130</creationdate><title>PROCESS FOR MANUFACTURING SHAPED ARTICLE</title><author>TAKEBAYASHI, HIROSHI ; KOJIMA, NOBUSATO ; TOKI, TAMOTSU ; NAKATA, MASAHIRO ; NAKAMURA, TOYOMITSU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_PL2159292TT33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; pol</language><creationdate>2018</creationdate><topic>ALLOYS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKEBAYASHI, HIROSHI</creatorcontrib><creatorcontrib>KOJIMA, NOBUSATO</creatorcontrib><creatorcontrib>TOKI, TAMOTSU</creatorcontrib><creatorcontrib>NAKATA, MASAHIRO</creatorcontrib><creatorcontrib>NAKAMURA, TOYOMITSU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKEBAYASHI, HIROSHI</au><au>KOJIMA, NOBUSATO</au><au>TOKI, TAMOTSU</au><au>NAKATA, MASAHIRO</au><au>NAKAMURA, TOYOMITSU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR MANUFACTURING SHAPED ARTICLE</title><date>2018-11-30</date><risdate>2018</risdate><abstract>The present invention provides a method for manufacturing formed article, which can inhibit damage and debonding of a coating layer at preforming and which can improve surface quality of the formed article when preforming a base material of a galvannealed steel sheet and then quenching the preform to produce a formed article. A method for manufacturing formed article comprising: a first step comprising: feeding into a first die a galvannealed steel sheet, as a material, which has a coating layer containing: 8-25 mass % of Fe, and a remnant containing Zn, Al, and impurity; and then preforming the galvannealed steel sheet such that material temperature just before preforming of the first step being within the range of 41-700 degree C, to obtain a preform; a second step of heating the preform at a temperature of A 1 transformation point or more; and a third step of quenching the heated preform from the temperature of A 1 transformation point or more to obtain a formed article.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | PROCESS FOR MANUFACTURING SHAPED ARTICLE |
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