Production of hollow germanium alloy quasi-spheres through a coaxial nozzle

被引：24

作者：

Bhagat, Kunal D. ^{[1
]}

Vu, Truong V. ^{[2
,3
]}

Wells, John C. ^{[1
]}

Takakura, Hideyuki ^{[1
]}

Kawano, Yu ^{[1
]}

Ogawa, Fumio ^{[1
]}

机构：

[1] Ritsumeikan Univ, Grad Sch Sci & Engn, 1-1-1 Nojihigashi, Kusatsu, Shiga 5258577, Japan

[2] Phenikaa Univ, Fac Vehicle & Energy Engn, Hanoi, Vietnam

[3] Phenikaa Univ, Fac Mech Engn & Mechatron, Hanoi, Vietnam

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2019年 / 58卷 / 06期

关键词：

FABRICATION;

D O I：

10.7567/1347-4065/ab1b59

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Hollow germanium alloy quasi-spheres of diameters 1-2 mm have been produced based on hollow jet instability. The germanium was first melted at around 1273 K and then extruded from a coaxial nozzle into an inert atmosphere by argon supplied to the inner nozzle. The falling spheres were cooled by water spray and collected in a bucket. The spheres had relatively smooth inner and outer surfaces, but were somewhat aspherical. The ex-post characterization of germanium sphere revealed Ge, Fe, Cr and Ni at atomic percentages of 64.04%, 16.21%, 8.55% and 10.30% respectively. (C) 2019 The Japan Society of Applied Physics

引用

页数：4

共 18 条

[1] Ceramic hollow spheres and their applications [J].

Cochran, JK .

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 1998, 3 (05) :474-479

[2]

Farnand J., 1970, U. S. Patent, Patent No. 3528809

[3]

Lee M., 1983, NASA TECH BRIEFS, V7, P471

[4] Fabrication of spherical silicon solar cells with semi-light-concentration system [J].

Minemoto, T ;

Okamoto, C ;

Omae, S ;

Murozono, M ;

Takakura, H ;

Hamakawa, Y .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 2005, 44 (7A) :4820-4824

[5] Fabrication of spherical silicon crystals by dropping method and their application to solar cells [J].

Minemoto, Takashi ;

Takakura, Hideyuki .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 2007, 46 (7A) :4016-4020

[6] Aluminum hollow sphere processing [J].

Nadler, JH ;

Sanders, TH ;

Cochran, JK .

ALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3, 2000, 331-3 :495-500

[7]

Owens T., 2008, U. S. Patent, Patent No. [0057332 A1, 0057332]

[8] LINEAR CAPILLARY INSTABILITY OF COMPOUND JETS [J].

RADEV, S ;

TCHAVDAROV, B .

INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, 1988, 14 (01) :67-79

[9]

Rayleigh L., 1879, P R SOC LONDON, V29, P71, DOI DOI 10.1098/RSPL.1879.0015

[10] Thermophysical properties of molten germanium measured by a high-temperature electrostatic levitator [J].

Rhim, WK ;

Ishikawa, T .

INTERNATIONAL JOURNAL OF THERMOPHYSICS, 2000, 21 (02) :429-443

← 1 2 →