Page 44 - Steel Tech India eMagazine Volume October 2021
P. 44
92/ Ć 12 Ć 2FWREHU
Medium Mn, High Al DuOleW Lightweight Steels A
Promising Material for Automotive AOOlication
Biraj Kumar Sahoo 1,2* , Avanish Kumar Chandan and Gaurav Kumar Bansal
1,2
1,2
$FDGHP\ RI 6FLHQWLILF DQG ,QQRYDWLYH 5HVHDUFK $F6,5 *KD]LDEDG ,1',$
&6,5 1DWLRQDO 0HWDOOXUJLFDO /DERUDWRU\ -DPVKHGSXU ,1',$
Abstract FRPSO\ ZLWK WKH JOREDO HPLVVLRQ VWDQGDUGV D ZHLJKW
VDYLQJ DSSURDFK LQ WKH DXWRPRWLYH YHKLFOH KDV EHHQ
2YHU WKH ODVW IHZ \HDUV WKH UHVHDUFK RQ WKLUG
DGRSWHG E\ WKH PDQXIDFWXUHUV ,W KDV EHHQ UHSRUWHG
JHQHUDWLRQ DGYDQFHG KLJK VWUHQJWK VWHHOV $+66
WKDW ZLWK HYHU\ UHGXFWLRQ LQ YHKLFOH ZHLJKW WKHUH
KDV JDLQHG WUHPHQGRXV LPSRUWDQFH GXH WR LWV LV DQ LPSURYHPHQW LQ IXHO HIILFLHQF\ E\ DQG D
KLJK VWUHQJWK GXFWLOLW\ FRPELQDWLRQ DQG ZHLJKW FRQVHTXHQW GHFUHDVH LQ HPLVVLRQ E\ 7R DFKLHYH
> @
VDYLQJ SRWHQWLDO 7KHUH KDV EHHQ D VKLIW IURP WKH WKH WDUJHW WKHUH LV D PRYH WRZDUGV WKH GHYHORSPHQW RI
ILUVW JHQHUDWLRQ ORZ 0Q 75,3 VWHHO DQG VHFRQG OLJKWZHLJKW KLJK VWUHQJWK VWHHOV IRU XVH LQ DXWRPRWLYH
JHQHUDWLRQ KLJK 0Q 7:,3 VWHHO WR WKLUG JHQHUDWLRQ FRPSRQHQWV ,Q WKH UHFHQW SDVW WKHUH KDYH EHHQ
PHGLXP 0Q VWHHO 7R IXUWKHU HQKDQFH WKH VWUHQJWK SHUVLVWHQW HIIRUWV IURP WKH VFLHQWLILF FRPPXQLW\ DV ZHOO
WR ZHLJKW UDWLR RI PHGLXP 0Q VWHHO WKH DGGLWLRQ RI WHFKQRORJLFDO VWDNHKROGHUV WR HQKDQFH WKH VWUHQJWK
OLJKW HOHPHQWV OLNH $O WR PHGLXP 0Q VWHHO KDV EHHQ WR ZHLJKW UDWLR RI VWHHO $OVR WKH PRYH WRZDUGV WKH
DGRSWLRQ RI HOHFWULF YHKLFOHV (9 FDOOV IRU DGGLWLRQDO
LQYHVWLJDWHG ZLGHO\ 7KLV DUWLFOH DLPV WR GLVFXVV
ZHLJKW VDYLQJ LQ WKH ERG\ LQ ZKLWH %,: VWUXFWXUH WR
WKH HIIHFW RI $O DGGLWLRQ LQ PHGLXP 0Q VWHHO 7KH
FRPSHQVDWH IRU WKH ZHLJKW RI EDWWHULHV DQG WR GHYHORS
YDULRXV DVSHFW RI WKH HIIHFW RI $O DGGLWLRQ RQ UHWDLQHG
KLJK VWUHQJWK PDWHULDOV IRU VDIHW\ FULWLFDO FRPSRQHQWV
DXVWHQLWH OLNH LWV IUDFWLRQ VWDFNLQJ IDXOW HQHUJ\ 6)(
OLNH WKH EDWWHU\ FDVLQJ
DQG LWV PHFKDQLFDO VWDELOLW\ KDV EHHQ GHVFULEHG $Q
RYHUYLHZ RI WKH DQQHDOLQJ SURFHVV PLFURVWUXFWXUH :LWK DQ LQFUHDVH LQ WKH VWUHQJWK RI VWHHO WKH WKLFNQHVV
RI WKH VKHHW XVHG LQ WKH FRPSRQHQW FDQ EH UHGXFHG
PHFKDQLFDO SURSHUWLHV DQG GHIRUPDWLRQ PRGHV RI
WKXV GHFUHDVLQJ WKH RYHUDOO ZHLJKW RI WKH YHKLFOH ,Q
$O DGGHG PHGLXP 0Q VWHHO KDV EHHQ SUHVHQWHG
WKLV FRQWH[W WKH UHFHQW DGYDQFHPHQW LQ WKLV DUHD LV
Keywords: /RZ GHQVLW\ 6WHHO 0HGLXP 0Q 6WHHO WKH GHYHORSPHQW RI WKLUG JHQHUDWLRQ DGYDQFHG KLJK
'XSOH[ 6WHHO ,QWHUFULWLFDO $QQHDOLQJ 5HWDLQHG VWUHQJWK VWHHOV $+66 OLNH PHGLXP 0Q VWHHO DQG
$XVWHQLWH 75,3 7:,3 6)( 4XHQFK DQG SDUWLWLRQHG 4 3 VWHHO WKDW SRVVHVVHV
H[FHOOHQW VWUHQJWK GXFWLOLW\ FRPELQDWLRQ ZLWK VWUHQJWK
1. INTRODUCTION GXFWLOLW\ SURGXFW H[FHHGLQJ *3D > ă @ 7KH PHGLXP
0Q VWHHO 0Q ZW LQ SDUWLFXODU KDV D ZLGH UDQJH
6WHHO KDV EHHQ WKH GRPLQDQW PDWHULDO LQ WKH DXWRPRWLYH RI VWUHQJWK DQG HORQJDWLRQ SURSHUWLHV IRU YDULRXV
VHFWRU EHFDXVH RI LWV KLJK FUDVK ZRUWKLQHVV IRUPDELOLW\ SRWHQWLDO DSSOLFDWLRQV LQ DXWRPRWLYH FRPSRQHQWV 7KH
UHF\FODELOLW\ DQG DIIRUGDELOLW\ 7KH LPSURYHG VWUHQJWK IXUWKHU ZHLJKW UHGXFWLRQ RU HQKDQFHPHQW RI VWUHQJWK
GXFWLOLW\ UHTXLUHPHQW IURP WKH DXWRPRWLYH PDQXIDFWXUHU WR ZHLJKW UDWLR LQ PHGLXP 0Q VWHHO LV ZLGHO\ EHLQJ
KDV OHG WR WKH LQGXVWULDO GHYHORSPHQW RI $GYDQFHG UHVHDUFKHG UHFHQWO\ ,Q WKLV GLUHFWLRQ $O GHQVLW\
+LJK 6WUHQJWK 6WHHO $+66 JUDGHV WKDW KDYH J FF KDV HPHUJHG DV WKH SULPDU\ DOOR\LQJ HOHPHQW
LPSURYHG HQHUJ\ DEVRUSWLRQ FDSDELOLW\ GXULQJ DQ HYHQW IRU GHQVLW\ UHGXFWLRQ LQ PHGLXP 0Q VWHHO GHQVLW\
> @
RI D FUDVK $OVR DXWRPRELOHV DUH RQH RI WKH PDMRU J FF > ă @ ,W KDV EHHQ UHSRUWHG WKDW IRU HYHU\
VRXUFHV RI JUHHQKRXVH JDV HPLVVLRQV LQ WKH ZRUOG DGGLWLRQ RI $O WKHUH LV D GHFUHDVH LQ WKH GHQVLW\ RI VWHHO
EHFDXVH RI ZKLFK VWHUQ HQYLURQPHQWDO JXLGHOLQHV WR E\ GXH WR WKH FRPELQHG HIIHFW RI ORZHU DWRPLF
FRQWURO HPLVVLRQV KDYH EHHQ LQFRUSRUDWHG JOREDOO\ LQ ZHLJKW DQG ODWWLFH GLODWDWLRQ > @ 7KH GHFUHDVH LQ
UHFHQW \HDUV > ă @ ,Q RUGHU WR ORZHU WKH HPLVVLRQV DQG
GHQVLW\ RI VWHHO ZLWK $O DGGLWLRQ KDV EHHQ VKRZQ LQ
STEEL TECH
