GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
The present invention relates to an oriented electric steel sheet and a manufacturing method for the same. According to an embodiment of the present invention, the oriented electric steel sheet includes: 3.0-5.0 wt% of Si; 0.01-0.15 wt% of C; 0.1-1.5 wt% of Mn; and residues including Fe and inevitab...
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| creator | KIM, WOO SIN KIM, BYEONG GOO PARK, CHANG SOO SEO, JIN WOOK |
| description | The present invention relates to an oriented electric steel sheet and a manufacturing method for the same. According to an embodiment of the present invention, the oriented electric steel sheet includes: 3.0-5.0 wt% of Si; 0.01-0.15 wt% of C; 0.1-1.5 wt% of Mn; and residues including Fe and inevitable impurities. The manufacturing method for the same includes: a step of heating a slab satisfying the following equation 1 and equation 2; a step of manufacturing a hot rolled plate by hot-rolling the slab; a step of manufacturing a cold rolled plate by hot rolling the slab; a step of firstly recrystallizing and annealing the cold rolled plate; and a step of secondly recrystallizing and annealing the cold rolled plate in which the first recrystallizing and annealing are completed. Equation 1: 0.5 |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_KR20190077774A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>KR20190077774A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_KR20190077774A3</originalsourceid><addsrcrecordid>eNqNir0KwjAURrs4iPoOF5yF-APieEm-NKFNAuntXIrESbRQ3x87-ACe4ZzlrKumzuwjpewRBYbQQkv2mlvqBFjsACGOhgLEJUM2ZQoce8ta-uxjTeJAHQdsq9VjfM5l9-um2luIdocyvYcyT-O9vMpnaPJJHW9KXRcufP7v-gIhDy5V</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME</title><source>esp@cenet</source><creator>KIM, WOO SIN ; KIM, BYEONG GOO ; PARK, CHANG SOO ; SEO, JIN WOOK</creator><creatorcontrib>KIM, WOO SIN ; KIM, BYEONG GOO ; PARK, CHANG SOO ; SEO, JIN WOOK</creatorcontrib><description>The present invention relates to an oriented electric steel sheet and a manufacturing method for the same. According to an embodiment of the present invention, the oriented electric steel sheet includes: 3.0-5.0 wt% of Si; 0.01-0.15 wt% of C; 0.1-1.5 wt% of Mn; and residues including Fe and inevitable impurities. The manufacturing method for the same includes: a step of heating a slab satisfying the following equation 1 and equation 2; a step of manufacturing a hot rolled plate by hot-rolling the slab; a step of manufacturing a cold rolled plate by hot rolling the slab; a step of firstly recrystallizing and annealing the cold rolled plate; and a step of secondly recrystallizing and annealing the cold rolled plate in which the first recrystallizing and annealing are completed. Equation 1: 0.5 <= [Si] / (100×[C]×[Mn]) <= 3 Equation 2: (0.04×[Si]-0.075)-(0.045×[Mn]) <= [C] <= (0.055×[Si]-0.1)-(0.055×[Mn]) In equation 1 and equation 2, [Si], [C] and [Mn] individually indicate the content (wt%) of Si, C, and Mn.
본 발명의 일 실시예에 의한 방향성 전기강판의 제조 방법은 중량%로, Si: 3.0 내지 5.0%, C: 0.01 내지 0.15%, Mn: 0.1 내지 1.5%를 포함하고, 잔부는 Fe 및 기타 불가피한 불순물을 포함하고, 하기 식 1 및 식 2를 만족하는 슬라브를 가열하는 단계, 슬라브를 열간압연하여 열연판을 제조하는 단계, 열연판을 냉간압연하여 냉연판을 제조하는 단계, 냉연판을 1차 재결정 소둔하는 단계 및 1차 재결정 소둔이 완료된 냉연판을 2차 재결정 소둔하는 단계를 포함한다. 식 1: 0.5 ≤ [Si] / (100×[C]×[Mn]) ≤ 3 식 2: (0.04×[Si]-0.075)-(0.045×[Mn]) ≤ [C] ≤ (0.055×[Si]-0.1)-(0.055×[Mn]) 식 1 및 식 2에서 [Si], [C] 및 [Mn]은 각각 Si, C 및 Mn의 함량(중량%)을 나타낸다.</description><language>eng ; kor</language><subject>ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2019</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=20190704&DB=EPODOC&CC=KR&NR=20190077774A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190704&DB=EPODOC&CC=KR&NR=20190077774A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIM, WOO SIN</creatorcontrib><creatorcontrib>KIM, BYEONG GOO</creatorcontrib><creatorcontrib>PARK, CHANG SOO</creatorcontrib><creatorcontrib>SEO, JIN WOOK</creatorcontrib><title>GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME</title><description>The present invention relates to an oriented electric steel sheet and a manufacturing method for the same. According to an embodiment of the present invention, the oriented electric steel sheet includes: 3.0-5.0 wt% of Si; 0.01-0.15 wt% of C; 0.1-1.5 wt% of Mn; and residues including Fe and inevitable impurities. The manufacturing method for the same includes: a step of heating a slab satisfying the following equation 1 and equation 2; a step of manufacturing a hot rolled plate by hot-rolling the slab; a step of manufacturing a cold rolled plate by hot rolling the slab; a step of firstly recrystallizing and annealing the cold rolled plate; and a step of secondly recrystallizing and annealing the cold rolled plate in which the first recrystallizing and annealing are completed. Equation 1: 0.5 <= [Si] / (100×[C]×[Mn]) <= 3 Equation 2: (0.04×[Si]-0.075)-(0.045×[Mn]) <= [C] <= (0.055×[Si]-0.1)-(0.055×[Mn]) In equation 1 and equation 2, [Si], [C] and [Mn] individually indicate the content (wt%) of Si, C, and Mn.
본 발명의 일 실시예에 의한 방향성 전기강판의 제조 방법은 중량%로, Si: 3.0 내지 5.0%, C: 0.01 내지 0.15%, Mn: 0.1 내지 1.5%를 포함하고, 잔부는 Fe 및 기타 불가피한 불순물을 포함하고, 하기 식 1 및 식 2를 만족하는 슬라브를 가열하는 단계, 슬라브를 열간압연하여 열연판을 제조하는 단계, 열연판을 냉간압연하여 냉연판을 제조하는 단계, 냉연판을 1차 재결정 소둔하는 단계 및 1차 재결정 소둔이 완료된 냉연판을 2차 재결정 소둔하는 단계를 포함한다. 식 1: 0.5 ≤ [Si] / (100×[C]×[Mn]) ≤ 3 식 2: (0.04×[Si]-0.075)-(0.045×[Mn]) ≤ [C] ≤ (0.055×[Si]-0.1)-(0.055×[Mn]) 식 1 및 식 2에서 [Si], [C] 및 [Mn]은 각각 Si, C 및 Mn의 함량(중량%)을 나타낸다.</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNir0KwjAURrs4iPoOF5yF-APieEm-NKFNAuntXIrESbRQ3x87-ACe4ZzlrKumzuwjpewRBYbQQkv2mlvqBFjsACGOhgLEJUM2ZQoce8ta-uxjTeJAHQdsq9VjfM5l9-um2luIdocyvYcyT-O9vMpnaPJJHW9KXRcufP7v-gIhDy5V</recordid><startdate>20190704</startdate><enddate>20190704</enddate><creator>KIM, WOO SIN</creator><creator>KIM, BYEONG GOO</creator><creator>PARK, CHANG SOO</creator><creator>SEO, JIN WOOK</creator><scope>EVB</scope></search><sort><creationdate>20190704</creationdate><title>GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME</title><author>KIM, WOO SIN ; KIM, BYEONG GOO ; PARK, CHANG SOO ; SEO, JIN WOOK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20190077774A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2019</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KIM, WOO SIN</creatorcontrib><creatorcontrib>KIM, BYEONG GOO</creatorcontrib><creatorcontrib>PARK, CHANG SOO</creatorcontrib><creatorcontrib>SEO, JIN WOOK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIM, WOO SIN</au><au>KIM, BYEONG GOO</au><au>PARK, CHANG SOO</au><au>SEO, JIN WOOK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME</title><date>2019-07-04</date><risdate>2019</risdate><abstract>The present invention relates to an oriented electric steel sheet and a manufacturing method for the same. According to an embodiment of the present invention, the oriented electric steel sheet includes: 3.0-5.0 wt% of Si; 0.01-0.15 wt% of C; 0.1-1.5 wt% of Mn; and residues including Fe and inevitable impurities. The manufacturing method for the same includes: a step of heating a slab satisfying the following equation 1 and equation 2; a step of manufacturing a hot rolled plate by hot-rolling the slab; a step of manufacturing a cold rolled plate by hot rolling the slab; a step of firstly recrystallizing and annealing the cold rolled plate; and a step of secondly recrystallizing and annealing the cold rolled plate in which the first recrystallizing and annealing are completed. Equation 1: 0.5 <= [Si] / (100×[C]×[Mn]) <= 3 Equation 2: (0.04×[Si]-0.075)-(0.045×[Mn]) <= [C] <= (0.055×[Si]-0.1)-(0.055×[Mn]) In equation 1 and equation 2, [Si], [C] and [Mn] individually indicate the content (wt%) of Si, C, and Mn.
본 발명의 일 실시예에 의한 방향성 전기강판의 제조 방법은 중량%로, Si: 3.0 내지 5.0%, C: 0.01 내지 0.15%, Mn: 0.1 내지 1.5%를 포함하고, 잔부는 Fe 및 기타 불가피한 불순물을 포함하고, 하기 식 1 및 식 2를 만족하는 슬라브를 가열하는 단계, 슬라브를 열간압연하여 열연판을 제조하는 단계, 열연판을 냉간압연하여 냉연판을 제조하는 단계, 냉연판을 1차 재결정 소둔하는 단계 및 1차 재결정 소둔이 완료된 냉연판을 2차 재결정 소둔하는 단계를 포함한다. 식 1: 0.5 ≤ [Si] / (100×[C]×[Mn]) ≤ 3 식 2: (0.04×[Si]-0.075)-(0.045×[Mn]) ≤ [C] ≤ (0.055×[Si]-0.1)-(0.055×[Mn]) 식 1 및 식 2에서 [Si], [C] 및 [Mn]은 각각 Si, C 및 Mn의 함량(중량%)을 나타낸다.</abstract><oa>free_for_read</oa></addata></record> |
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| title | GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME |
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