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Iron-zinc reaction kinetics of hot-d...

Jordan, Catherine E.

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Iron-zinc reaction kinetics of hot-dip galvanized interstitial free steels.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Iron-zinc reaction kinetics of hot-dip galvanized interstitial free steels./
作者:	Jordan, Catherine E.
面頁冊數:	305 p.
附註:	Source: Dissertation Abstracts International, Volume: 57-05, Section: B, page: 3364.
Contained By:	Dissertation Abstracts International57-05B.
標題:	Engineering, Materials Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9629361

Iron-zinc reaction kinetics of hot-dip galvanized interstitial free steels.
Jordan, Catherine E.

Iron-zinc reaction kinetics of hot-dip galvanized interstitial free steels. - 305 p.

Source: Dissertation Abstracts International, Volume: 57-05, Section: B, page: 3364.

Thesis (Ph.D.)--Lehigh University, 1996.

The objective of the present study was to investigate the effects of interstitial free (IF) steel substrate characteristics (such as grain size and chemistry) on Fe-Zn reaction kinetics and intermetallic phase formation during galvanizing at 450Subjects--Topical Terms:

1017759
Engineering, Materials Science.

Iron-zinc reaction kinetics of hot-dip galvanized interstitial free steels.
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008 130614s1996 eng d
035 $a (UnM)AAI9629361
035 $a AAI9629361
040 $a UnM $c UnM
100 1 $a Jordan, Catherine E. $3 1952952
245 1 0 $a Iron-zinc reaction kinetics of hot-dip galvanized interstitial free steels.
300 $a 305 p.
500 $a Source: Dissertation Abstracts International, Volume: 57-05, Section: B, page: 3364.
500 $a Adviser: Arnold R. Marder.
502 $a Thesis (Ph.D.)--Lehigh University, 1996.
520 $a The objective of the present study was to investigate the effects of interstitial free (IF) steel substrate characteristics (such as grain size and chemistry) on Fe-Zn reaction kinetics and intermetallic phase formation during galvanizing at 450 $\ sp\circ
520 $a Grain boundary reactivity was evaluated by testing ultra low carbon steels with identical chemistries but widely varying grain sizes (15 $\ mu $m and 85 $\ mu $m ). In the 0.20 wt% Al bath, the initial formation of Fe-Zn phases occurred at a far more rapid rate on the 15 $\ mu $m substrates than on the 85 $\ mu $m substrates. Only after extended reaction times was localized Fe-Zn growth found to occur on the 85 $\ mu $m grain size steel, and the location of this growth typically corresponded to substrate grain boundary sites.
520 $a The effect of phosphorus as a surface segregation layer was studied by ion implanting phosphorus into the surface of selected steel samples, all of which possessed an extremely large grain size (10-20 mm). Phosphorus surface segregation had no apparent effect on the kinetics of Fe-Zn phase growth on low carbon steel substrates in either 0.00 wt% Al or 0.20 wt% Al baths. In the 0.20 wt% Al bath, Fe-Zn phase growth occurred on both the P-ion implanted and non P-ion implanted surfaces only after extended reaction times. Fe-Zn phase growth was found to correspond to the location of substrate grain boundary sites, suggesting that the long reaction times needed to produce Fe-Zn phase growth were due to the very large grain size of the steel. Substrate steel grain size (and not P surface segregation) thus appears to be the dominant substrate surface condition which controls the initial formation of Fe-Zn phases in a 0.20 wt% Al-Zn bath.
590 $a School code: 0105.
650 4 $a Engineering, Materials Science. $3 1017759
650 4 $a Engineering, Metallurgy. $3 1023648
690 $a 0794
690 $a 0743
710 2 0 $a Lehigh University. $3 515436
773 0 $t Dissertation Abstracts International $g 57-05B.
790 1 0 $a Marder, Arnold R., $e advisor
790 $a 0105
791 $a Ph.D.
792 $a 1996
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9629361