Alloying effect on K-shell fluorescence parameters of porous NiTi shape memory alloys

被引：15

作者：

Cengiz, E. ^{[1
]}

Ozkendir, O. M. ^{[2
]}

Kaya, M. ^{[3
]}

Tirasoglu, E. ^{[1
]}

Karahan, I. H. ^{[4
]}

Kimura, S. ^{[5
]}

Hajiri, T. ^{[5
]}

机构：

[1] Karadeniz Tech Univ, Fac Sci, Dept Phys, TR-61080 Trabzon, Turkey

[2] Mersin Univ, Tarsus Fac Technol, Tarsus, Turkey

[3] Adiyaman Univ, Dept Mat Sci Engn, TR-02040 Adiyaman, Turkey

[4] Mustafa Kemal Univ, Fac Arts & Sci, Dept Phys, Antakya, Hatay, Turkey

[5] Inst Mol Sci, UVSOR Facil, Okazaki, Aichi 4448585, Japan

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2014年 / 192卷

关键词：

Alloying effect; Production cross-section; Intensity ratio; Porous NiTi alloy; X-RAY-INTENSITY; VALENCE ELECTRONIC-STRUCTURE; PRODUCTION CROSS-SECTIONS; RADIATIVE AUGER RATIOS; ZN COMPLEXES; 3D ELEMENTS; CO; TI; SHIFT; CU;

D O I：

10.1016/j.elspec.2014.01.002

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The K-alpha,K-beta shell production cross-sections and K-beta/K-alpha intensity ratios of porous Ni -49 at% Ti shape memory alloys were determined using energy dispersive X-ray fluorescence (EDXRF) technique. Also, the alloying effect on the K shell fluorescence parameters was investigated. The samples were excited by 59.5 key gamma-rays from an Am-241 annular radioactive source. The K X-rays emitted by the samples were counted by an Ultra-LEGe detector with a resolution of 150 eV at 5.9 key. The structure analyses of the samples were also made using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The deviations between the present results and theoretical values, calculated for pure Ti and Ni, were attributed to charge transfer phenomena and/or rearrangement of valance shell electrons and porosity. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：55 / 60

页数：6

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