Issue 14

M.N

. James et alii,

Frattura ed Inte

grità Strutturale

, 14 (2010) 5-1

6; DOI: 10.3221/

IGF-ESIS.14.01

Figure 8b :

Residual stres

s profiles at a

depth of 1 mm

below the su

rface of the w

eld overlay.

s clear that n vice welds a bration of th measuring re ice spacing d ion. An im asurements o m a number is brief discu rface betwee ally require nomena.

eutron and s nd other com e accuracy of sidual stresse 0 , which is a portant aspe n toothcomb of relevant p ssion has, h n metallurgy an understa

ynchrotron d ponents, p the predictiv s using diffr ffected by fac ct of diffrac specimens c ositions in th opefully, ind and mechan nding of th

iffraction ar articularly if e model. action techni tors such as tion-based m ut across the e plate. icated that n ics in materi e effect of

e very power the results a ques, crystal composition easurement weld region ot only are als performan crystal struc

ful technique re linked to lattice spacin and micros s is therefor [27] or via u residual stre ce, but also ture and mi

s for assessin finite eleme g is determi tructure and e determina se of small c sses an inter that their me crostructure

g 3D residu nt modellin ned relative t hence can va tion of d 0 , o ubes (perhap esting demo asurement a on continu

al stress field g and used o the strain ry across a w ften by mak s 2x2x2 mm) nstration of nd interpreta um and phy

s in as a free eld ing cut the tion sics

It i ser cali In latt reg me fro Th inte equ phe

Fi

gure 9 : Residu

al stress conto

urs for an orig

inal site weld

made in the 10

mm 304L sta

inless steel pla

te.

14