Large-section cast ferrite nodular cast iron and preparation method thereof
The invention belongs to the technical field of nodular cast irons, concretely relates to control and casting production of a nodular cast iron material, and especially relates to a large-section cast ferrite nodular cast iron QT580-15A and a preparation method thereof. Performances of a separately...
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| creator | YAN XINGYI CHEN BAILIN WANG MEIXI WANG XING SHI XUEYONG |
| description | The invention belongs to the technical field of nodular cast irons, concretely relates to control and casting production of a nodular cast iron material, and especially relates to a large-section cast ferrite nodular cast iron QT580-15A and a preparation method thereof. Performances of a separately cast test block with the wall thickness being greater than 60mm and an attached test block with the thickness of 70mm respectively meet requirements (separate cast: the tensile strength is not smaller than 580MPa, the yield strength is not smaller than 450MPa, and the elongation is not smaller than 15%; and attached cast: the tensile strength is not smaller than 530MPa, the yield strength is not smaller than 400MPa, and the elongation is not smaller than 12.5%) through selecting raw materials, controlling the components of molten iron, optimizing a nodulizer, a covering agent and a technology, determining an inoculant and the technology, and controlling the addition amount and the addition method of trace alloy elements. |
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Performances of a separately cast test block with the wall thickness being greater than 60mm and an attached test block with the thickness of 70mm respectively meet requirements (separate cast: the tensile strength is not smaller than 580MPa, the yield strength is not smaller than 450MPa, and the elongation is not smaller than 15%; and attached cast: the tensile strength is not smaller than 530MPa, the yield strength is not smaller than 400MPa, and the elongation is not smaller than 12.5%) through selecting raw materials, controlling the components of molten iron, optimizing a nodulizer, a covering agent and a technology, determining an inoculant and the technology, and controlling the addition amount and the addition method of trace alloy elements.</description><language>eng</language><subject>ALLOYS ; CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; METALLURGY ; METALLURGY OF IRON ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2015</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=20151021&DB=EPODOC&CC=CN&NR=104988381A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151021&DB=EPODOC&CC=CN&NR=104988381A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAN XINGYI</creatorcontrib><creatorcontrib>CHEN BAILIN</creatorcontrib><creatorcontrib>WANG MEIXI</creatorcontrib><creatorcontrib>WANG XING</creatorcontrib><creatorcontrib>SHI XUEYONG</creatorcontrib><title>Large-section cast ferrite nodular cast iron and preparation method thereof</title><description>The invention belongs to the technical field of nodular cast irons, concretely relates to control and casting production of a nodular cast iron material, and especially relates to a large-section cast ferrite nodular cast iron QT580-15A and a preparation method thereof. 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| subjects | ALLOYS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Large-section cast ferrite nodular cast iron and preparation method thereof |
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