Thermal relaxation and high temperature creep of Zr55Cu30Al10Ni5 bulk metallic glass

被引：39

作者：

Daniel, BSS ^{[1
]}

Reger-Leonhard, A ^{[1
]}

Heilmaier, M ^{[1
]}

Eckert, J ^{[1
]}

Schultz, L ^{[1
]}

机构：

[1] IFW Dresden, Inst Met Werkstoffe, D-01171 Dresden, Germany

来源：

MECHANICS OF TIME-DEPENDENT MATERIALS | 2002年 / 6卷 / 02期

关键词：

bulk metallic glass; differential scanning calorimetry; free volume model; high temperature creep; mechanical properties; thermal relaxation;

D O I：

10.1023/A:1015045324786

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The free volume model is applied to isothermal relaxation and high temperature creep. For this analysis, the time dependent flow behaviour of Zr55Cu30Al10Ni5 bulk metallic glass (BMG) near the glass transition temperature (T-g) is expressed as a trade off between stress induced generation and diffusion controlled annihilation of free volume. The strain rate-stress relation over a wide strain rate-range (10(-7) to 10(-2) s(-1)) was established for three different temperatures near T-g. It was found that the thermal relaxation behaviour and creep kinetics are controlled by the mobility of atoms with an activation energy of 161 kJ/mol.

引用

页码：193 / 206

页数：14

共 24 条

[1] The kinetic glass transition of the Zr46.75Ti8.25Cu7.5Ni10Be27.5 bulk metallic glass former-supercooled liquids on a long time scale [J].

Busch, R ;

Johnson, WL .

APPLIED PHYSICS LETTERS, 1998, 72 (21) :2695-2697

[2] MOLECULAR TRANSPORT IN LIQUIDS AND GLASSES [J].

COHEN, MH ;

TURNBULL, D .

JOURNAL OF CHEMICAL PHYSICS, 1959, 31 (05) :1164-1169

[3] DEFECT PRODUCTION AND ANNIHILATION NEAR EQUILIBRIUM IN AMORPHOUS PD40NI40P20 INVESTIGATED FROM VISCOSITY DATA [J].

DUINE, PA ;

SIETSMA, J ;

VANDENBEUKEL, A .

ACTA METALLURGICA ET MATERIALIA, 1992, 40 (04) :743-751

[4] Mechanical alloying of highly processable glassy alloys [J].

Eckert, J .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1997, 226 :364-373

[5] Mass dependence of diffusion in a supercooled metallic melt [J].

Ehmler, H ;

Heesemann, A ;

Ratzke, K ;

Faupel, F ;

Geyer, U .

PHYSICAL REVIEW LETTERS, 1998, 80 (22) :4919-4922

[6] DIFFUSION IN NONCRYSTALLINE METALLIC AND ORGANIC MEDIA [J].

FAUPEL, F .

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 1992, 134 (01) :9-59

[7] Diffusion in ZrTiCuNiBe bulk glasses at temperatures around the glass transition [J].

Fielitz, P ;

Macht, MP ;

Naundorf, V ;

Frohberg, G .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1999, 250 :674-678

[8] Analysis of recent measurements of the viscosity of glasses [J].

Fulcher, GS .

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1925, 8 (06) :339-355

[9] ATOMIC DIFFUSION IN THE SUPERCOOLED LIQUID AND GLASSY STATES OF THE ZR41.2TIL3.8CU12.5NI10BE22.5 ALLOY [J].

GEYER, U ;

SCHNEIDER, S ;

JOHNSON, WL ;

QIU, Y ;

TOMBRELLO, TA ;

MACHT, MP .

PHYSICAL REVIEW LETTERS, 1995, 75 (12) :2364-2367

[10]

Illeková E, 2000, MAT SCI ENG A-STRUCT, V278, P27, DOI 10.1016/S0921-5093(99)00605-X

← 1 2 3 →