Gradient changes in structural condition of the B2 phase of NiTi surface layers after electron-beam treatments

Gradient changes in structural condition of the B2 phase of NiTi surface layers after electron-beam treatments

Manylion Llyfryddiaeth
Parent link:	AIP Conference Proceedings Vol. 1623 : International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russia, 3–5 September 2014.— 2014.— [P. 407-410]
Awdur Corfforaethol:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра общей и неорганической химии (ОНХ)
Awduron Eraill:	Meisner L. L. Ludmila, Gudimova E. Yu. Ekaterina, Ostapenko M. G. Marina Gennadievna, Lotkov A. I. Aleksandr
Crynodeb:	Title screen Structural conditions of the B2 phase of the Ti[49.5]Ni50.5] alloy surface layers before and after electron-beam treatments (pulse duration [tau]=150 [mu]s, number of pulses n=5, beam energy density E<=20 J/cm{2}) were studied by X-ray diffraction analysis. Analysis of the X-ray patternsdemonstrates that surface layers modified by electron beam treatment contain phase with B2{surf} structure. It is revealed that the lattice parameter of the B2{surf} phase in the surface (modified) layer is also higher than the lattice parameter of the B2 phase in the underlying layer ( a[B2]=3.0159+=0.0005 ). The values of lattice parameter of phase B2{surf} amounted a{surf}[B2]=3.0316+=0.0005 Å and a{surf}[B2]=3.0252+=0.0005 Å, for the specimens after electron-beam treatment at E[1]=15 J/cm{2} and E[2] =20 J/cm{2}, respectively. Inflated lattice parameters a{surf}[B2] are associated with changes in the chemical composition and the presence of residual stresses in the surface region of the samples after electron-beam treatments. Режим доступа: по договору с организацией-держателем ресурса
Cyhoeddwyd:	2014
Pynciau:	электронный ресурс труды учёных ТПУ структурные состояния поверхностные слои сплавы рентгеновская дифракция электронные пучки электронно-лучевая обработка
Mynediad Ar-lein:	http://dx.doi.org/10.1063/1.4898968 http://earchive.tpu.ru/handle/11683/35728
Fformat:	Electronig Pennod Llyfr
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=641871

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