000120210 001__ 120210
000120210 005__ 20181203021216.0
000120210 020__ $$a1478-6435
000120210 0247_ $$2doi$$a10.1080/02678370412331320107
000120210 022__ $$a1478-6435
000120210 02470 $$2DAR$$a6152
000120210 02470 $$2ISI$$a000226689800018
000120210 037__ $$aARTICLE
000120210 245__ $$aIrradiation-induced phase transformation in undeformed and deformed NiTi shape memory thin films by high-energy ion beams
000120210 260__ $$c2005
000120210 269__ $$a2005
000120210 336__ $$aJournal Articles
000120210 500__ $$aSp. Iss. SI
000120210 520__ $$aIrradiation-induced transformations in sputter-deposited Ti-rich NiTi thin films have been investigated with special attention given to the effects of prior deformation on the response of martensite phase. Irradiation at low fluence was carried out at room temperature with Au ions at 350 MeV, such that the projected ion range greatly exceeded the film thickness and lattice damage was attributable mainly to electronic stopping effects (43 keV nm(-1)). Ion-beam modified microstructures were investigated using transmission electron microscopy, X-ray diffraction, and differential scanning calorimetry. Amorphous tracks were observed in both Ti2Ni precipitates and martensite. The track diameter and the amount of amorphization were larger in the pre-deformed sample as compared to the undeformed sample. In both cases the displacive transformation temperatures and transformation enthalpies were depressed by irradiation, but to a greater degree in the pre-deformed material. Similarly, the extent of austenitic and R-phase regions observed to surround individual ion tracks was substantially greater for the pre-deformed films. These observations are discussed in terms of differences between the deformed and undeformed cases with respect to microstructure.
000120210 700__ $$0241658$$aLagrange, T.$$g143967
000120210 700__ $$0240066$$aSchaeublin, R.$$g109859
000120210 700__ $$aGrummon, D. S.
000120210 700__ $$aAbromeit, C.
000120210 700__ $$0241149$$aGotthardt, R.$$g105286
000120210 773__ $$j85$$k4-7$$q577-587$$tPhilosophical Magazine
000120210 909C0 $$pCRPP
000120210 909C0 $$0252028$$pSPC
000120210 909CO $$ooai:infoscience.tind.io:120210$$pSB$$particle
000120210 937__ $$aCRPP-ARTICLE-2005-052
000120210 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000120210 980__ $$aARTICLE