High strain rate superplasticity in a friction stir processed 7075 Al alloy

被引：697

作者：

Mishra, RS ^{[1
]}

Mahoney, MW

McFadden, SX

Mara, NA

Mukherjee, AK

机构：

[1] Univ Missouri, Dept Engn Met, Rolla, MO 65401 USA

[2] Rockwell Int Sci Ctr, Thousand Oaks, CA 91360 USA

[3] Univ Calif Davis, Div Sci Mat, Davis, CA 95616 USA

来源：

SCRIPTA MATERIALIA | 1999年 / 42卷 / 02期

关键词：

friction stir processing; aluminum alloy; high temperature mechanical properties;

D O I：

10.1016/S1359-6462(99)00329-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The feasibility of friction stir processing to produce a microstructure amenable to high strainrate superplasticity is demonstrated in a commercial Al alloy. Optimum superplasticity was observed in a friction stir processed 7075 Al alloy at a strain rate of 1×10-2/s-1 and 490 °C.

引用

页码：163 / 168

页数：6

共 13 条

[1]

[Anonymous], 1995, JIS H 7007

[2]

[Anonymous], ACTA METALL MAT

[3] Fabrication of bulk ultrafine-grained materials through intense plastic straining [J].

Berbon, PB ;

Tsenev, NK ;

Valiev, RZ ;

Furukawa, M ;

Horita, Z ;

Nemoto, M ;

Langdon, TG .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1998, 29 (09) :2237-2243

[4]

FROST HJ, 1982, DEFORMATION MECH MAP, P21

[5] A STUDY OF THE IMPROVEMENT OF SUPERPLASTICITY OF 7075 ALLOY [J].

JIANG, XG ;

WU, QL ;

CUI, JZ ;

MA, LX .

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1993, 24 (11) :2596-2598

[6] Properties of friction-stir-welded 7075 T651 aluminum [J].

Mahoney, MW ;

Rhodes, CG ;

Flintoff, JG ;

Spurling, RA ;

Bingel, WH .

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1998, 29 (07) :1955-1964

[7] OVERVIEW NO-119 - SUPERPLASTICITY IN POWDER-METALLURGY ALUMINUM-ALLOYS AND COMPOSITES [J].

MISHRA, RS ;

BIELER, TR ;

MUKHERJEE, AK .

ACTA METALLURGICA ET MATERIALIA, 1995, 43 (03) :877-891

[8] Deformation mechanisms and tensile superplasticity in nanocrystalline materials [J].

Mishra, RS ;

McFadden, SX ;

Valiev, RZ ;

Mukherjee, AK .

JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY, 1999, 51 (01) :37-40

[9] RATE CONTROLLING MECHANISM IN SUPERPLASTICITY [J].

MUKHERJEE, AK .

MATERIALS SCIENCE AND ENGINEERING, 1971, 8 (02) :83-+

[10] CHARACTERIZATION OF FINE-GRAINED SUPERPLASTIC ALUMINUM-ALLOYS [J].

PATON, NE ;

HAMILTON, CH ;

WERT, J ;

MAHONEY, M .

JOURNAL OF METALS, 1982, 34 (08) :21-27

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