Microstructure and Texture of Al-2Si-xSn (x=0, 4, 8 mass%) Alloys Processed by Equal Channel Angular Pressing

被引：12

作者：

Gonzalez, Gonzalo ^{[1
]}

Braham, Chedly ^{[2
]}

Lebrun, Jean L. ^{[3
]}

Chastel, Yvan ^{[4
]}

Seiler, Wilfrid ^{[2
]}

Figueroa, Ignacio A. ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Invest Mat, Coyoacan 04360, Mexico

[2] Lab Proc & Ingn Mecan & Mat ENSAM, F-75013 Paris, France

[3] Lab Arts & Metiers ParisTech Angers LAMPA, F-49035 Angers, France

[4] Ecole Mines, Centre Mise Forme Mat, F-06904 Sophia Antipolis, France

来源：

MATERIALS TRANSACTIONS | 2012年 / 53卷 / 07期

关键词：

aluminium alloys; equal channel angular pressing; nanograins; transmission electron microscopy; Rietyeld refinement; POWDER-METALLURGY; HIGH-STRENGTH; COMPOSITES; TITANIUM; YTTRIUM;

D O I：

10.2320/matertrans.M2012011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of Sn on the microstructure, microstrain and grain morphology in Al-2Si-xSn samples processed by ECAP is reported and discussed. The pseudo-binary Al-xSn alloys (where x = 0, 4, 8 mass%) were produced by conventional ingot casting. Samples were characterised by X-ray diffractometry (XRD), transmission electron microscopy (TEM), dynamical mechanical analysis (DMA) and microhardness. Results showed that the initial texture was modified after several ECAP passes and the formation of subgrains were observed. The presence of Sn enhanced the tribological properties of the alloy but, the ECAP capacity for grain refining was reduced. Besides, it was also confirmed that the damping capacity and microhardness behaviour were dependent of the Sn contents. [doi:10.2320/matertrans.M2012011]

引用

页码：1234 / 1239

页数：6

共 14 条

[1] ANOMALOUS INCREASE IN STRENGTH OF INSITU FORMED CU-NB MULTIFILAMENTARY COMPOSITES [J].

BEVK, J ;

HARBISON, JP ;

BELL, JL .

JOURNAL OF APPLIED PHYSICS, 1978, 49 (12) :6031-6038

[2] Microstructural and mechanical behavior of highly deformed Al-Sn alloys [J].

Hernandez, O. ;

Gonzalez, G. .

MATERIALS CHARACTERIZATION, 2008, 59 (05) :534-541

[3]

JENSEN JA, 1995, LIGHT METALS 1995, P1367

[4] STRENGTH AND MICROSTRUCTURE OF POWDER-METALLURGY PROCESSED RESTACKED CU-NB MICROCOMPOSITES [J].

POURRAHIMI, S ;

NAYEBHASHEMI, H ;

FONER, S .

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1992, 23 (02) :573-586

[5] HIGH-STRENGTH HIGH-CONDUCTIVITY CU-NB MICROCOMPOSITE WIRE BY POWDER-METALLURGY [J].

POURRAHIMI, S ;

HASHEMI, HN ;

FONER, S .

JOURNAL OF MATERIALS SCIENCE LETTERS, 1990, 9 (12) :1484-1487

[6] IN-SITU STRENGTHENING OF TITANIUM WITH YTTRIUM - TEXTURE ANALYSIS [J].

RUSSELL, AM ;

CHUMBLEY, LS ;

ELLIS, TW ;

LAABS, FC ;

NORRIS, B ;

DONIZETTI, GE .

JOURNAL OF MATERIALS SCIENCE, 1995, 30 (17) :4249-4262

[7] A high-strength, high-conductivity Al-Ti deformation processed metal metal matrix composite [J].

Russell, AM ;

Lund, T ;

Chumbley, LS ;

Laabs, FA ;

Keehner, LL ;

Harringa, JL .

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, 1999, 30 (03) :239-247

[8] IN-SITU STRENGTHENING OF TITANIUM WITH YTTRIUM [J].

RUSSELL, AM ;

ELLIS, TW ;

CHUMBLEY, LS .

JOURNAL OF MATERIALS SCIENCE, 1995, 30 (08) :2070-2076

[9] CHARACTERIZATION OF THE STRENGTH AND MICROSTRUCTURE OF HEAVILY COLD-WORKED CU-NB COMPOSITES [J].

SPITZIG, WA ;

PELTON, AR ;

LAABS, FC .

ACTA METALLURGICA, 1987, 35 (10) :2427-2442

[10] STRUCTURE PROPERTIES OF HEAVILY COLD-DRAWN NIOBIUM [J].

SPITZIG, WA ;

TRYBUS, CL ;

LAABS, FC .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1991, 145 (02) :179-187

← 1 2 →