Depth dependence of hardness in copper single crystals measured by nanoindentation

被引：154

作者：

Liu, Y ^{[1
]}

Ngan, AHW ^{[1
]}

机构：

[1] Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China

来源：

SCRIPTA MATERIALIA | 2001年 / 44卷 / 02期

关键词：

nanoindentation; hardness testing; atomic force microscopy; copper;

D O I：

10.1016/S1359-6462(00)00598-4

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The depth dependence of hardness in copper single crystals was studied using nanoindentation methods. Results show the depth effect on hardness of the crystals is related to the polishing methods. Mechanical polish results in higher hardness value than electropolish as the load increases.

引用

页码：237 / 241

页数：5

共 11 条

[1] A method for interpreting the data from depth-sensing indentation instruments [J].

Doerner, M. F. ;

Nix, W. D. .

JOURNAL OF MATERIALS RESEARCH, 1986, 1 (04) :601-609

[2] Plastic properties of thin films on substrates as measured by submicron indentation hardness and substrate curvature techniques [J].

Doerner, M. F. ;

Gardner, D. S. ;

Nix, W. D. .

JOURNAL OF MATERIALS RESEARCH, 1986, 1 (06) :845-851

[3] STRAIN GRADIENT PLASTICITY - THEORY AND EXPERIMENT [J].

FLECK, NA ;

MULLER, GM ;

ASHBY, MF ;

HUTCHINSON, JW .

ACTA METALLURGICA ET MATERIALIA, 1994, 42 (02) :475-487

[4] MICRO-HARDNESS OF METALS AT VERY LOW LOADS [J].

GANE, N ;

COX, JM .

PHILOSOPHICAL MAGAZINE, 1970, 22 (179) :881-+

[5] The effect of the indenter load on the nanohardness of ductile metals: an experimental study on polycrystalline work-hardened and annealed oxygen-free copper [J].

Lim, YY ;

Chaudhri, MM .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1999, 79 (12) :2979-3000

[6] SIZE-DEPENDENT HARDNESS OF SILVER SINGLE-CRYSTALS [J].

MA, Q ;

CLARKE, DR .

JOURNAL OF MATERIALS RESEARCH, 1995, 10 (04) :853-863

[7] Determination of indenter tip geometry and indentation contact area for depth-sensing indentation experiments [J].

McElhaney, KW ;

Vlassak, JJ ;

Nix, WD .

JOURNAL OF MATERIALS RESEARCH, 1998, 13 (05) :1300-1306

[8] Indentation size effects in crystalline materials: A law for strain gradient plasticity [J].

Nix, WD ;

Gao, HJ .

JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 1998, 46 (03) :411-425

[9] AN IMPROVED TECHNIQUE FOR DETERMINING HARDNESS AND ELASTIC-MODULUS USING LOAD AND DISPLACEMENT SENSING INDENTATION EXPERIMENTS [J].

OLIVER, WC ;

PHARR, GM .

JOURNAL OF MATERIALS RESEARCH, 1992, 7 (06) :1564-1583

[10] HARDNESS MEASUREMENT AT PENETRATION DEPTHS AS SMALL AS 20-NM [J].

PETHICA, JB ;

HUTCHINGS, R ;

OLIVER, WC .

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES, 1983, 48 (04) :593-606

← 1 2 →