Issue 14

V. Di Cocco et oatings obtai henomenon + 0.5 %wt T pecimen side phase interfa pecially corre both longitu tudinal crack e analogous he outer laye . 15b): this l s damaging m g time and c Sn and Ti he following the intermet ongly modif nd Ti conten acterized by ry, Ti additio aracterized icromechanim probably due coatings (19 ience, 45 (20 . Réquiz, N. A ce and Coati ct, Surface an In: Internatio nternational nternational La Metallurgi In: 32° Conv , Surface Scie cture Mecha cture Mecha i, C.I. Elsner grams, Vol. 2 & Coatings

alii, Frattura ed ned using Z (Fig. 14a and i bath (Fig. , three differ ce or in “like sponding to dinal cracks s were also ob to the values r (dark grey ayer is charac echanism is oatings chem contents by conclusions allic phases t y coating mi ts. an increase n implies a s by the prese s: microvoi to dark grey ngulo, R. A ngs Technolo d Coatings T nal Conferen Journal of M Journal of M a Italiana 7-8 egno Nazion nce, (2001) 4 nics, 65 (200 nics, 65 (200 , A.R. Sarli, S , ASM, Meta Technology, 99) 13. 00) 191.

Integrità Strutt n baths, for 14b). 12), phases d ent damage m  ” phase gr higher bendi at steel – “lik served at “li observed in phase + lame terized by th the respons ical composi means of b could be sum hickness evo crostructure. of the spec trong decrea nce of crack ds are evide grains debo

urale, 14 (2010) all the invest istribution is orphologies

52-63; DOI: 10 igated condit really far fro were observ

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Cra arr Co dis a) b) c) Fo gra Cra Zn sho dar res

cks density i est at  -  inte nsidering coa tribution (Fig Radial crack Longitudina Light grey p cusing the sp ins were obse cks density v and Zn + 3 w any radial k grey grains istance. n this work investigated Microscop the basis of Sn addition diffusion ph phases chara Coatings w investigated Both Zn an addition im lamellar stru ASTM Han A.R. Marde Y. De Abre 682. T. Evangelo G. Voct, J.B V. Di Cocco J.L. Duncan J.L. Duncan S. Natali, V ] S. Natali, F. ] R. de Kort, ] S.R. Kim, J. ] S.R. Kim, J. ] E.A. Sacco, ] T.B. Massal ] A.R.B. Verm NCLUSION S FERENCES

s lower if co rface is a mo tings obtaine . 6). Focusin s in “like  ” l cracks at st hase grains d ecimen comp rved. Furthe alues in “lik %wt Sn bath or longitudin debonding ( , the influen considerin e) observatio the experime to the Zn ba enomena. T cterized by d ith Sn additi conditions. O d Zn+Sn co plies a new cture + light dbook Corro r, Progress in u, A. Da Silv s, G. Papadi . Reumont, A , F. Iacoviel , S.-C. Ding, , S.-C. Ding, . Di Cocco, F Iacoviello, V W. Kets, H. A. Narin, En A. Narin, En N.B. Alvarez ski, Binary al a, W.J. van

mpared to c re frequent p d using a Zn g the tensile s phase; eel – “like  ” ebonding, es ression side, rmore, longi e  ” phase ar s (Fig. 15). T al cracks (Fig Fig. 12). Thi ce of dippin g different ns. ntal results, t th influences i addition str ifferent Fe a on are char n the contra atings are ch damaging m grey phase), sion, Hot dip Materials Sc a, A. Ruiz, R mitrou, Surfa . Iost, J. Fo lo, S. Natali, W.L. Jiang, I W.L. Jiang, I . Iacoviello, . Di Cocco, van Kempen gineering Fra gineering Fra , J.D. Culcas loy phase dia Ooij, Surface

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influence to rs with diffe nce, for all tance. omechanism rk grey phas

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63