The plastic anisotropy in single crystals and polycrystalline metals / by Wojciech Truszkowski.

Format:

Book

Author/Creator:

Truszkowski, Wojciech.

Language:

English

Subjects (All):

Anisotropy.

Crystals.

Metals--Plastic properties.

Metals.

Physical Description:

vii, 156 pages : illustrations ; 25 cm

Place of Publication:

Dordrecht ; Boston : Kluwer Academic Publishers, [2001]

Contents:

2. Work hardening of the material at the uniaxial tensile test 11

2.2 The stress

strain relationship for homogeneous deformation, defined by power function 12

2.3 The characteristics of macroinhomogeneous deformation 14

3. Strain ratio as the measure of plastic anisotropy 19

3.2 The measurement of plastic anisotropy coefficient 22

3.3 Assessment of anisotropy on the basis of the variation of partial strains 26

3.4 Plastic anisotropy at inhomogeneous deformation 29

4. The quantitative evaluation of plastic anisotropy 37

4.2 Plastic anisotropy in polycrystalline f.c.c. metals 38

4.3 Plastic anisotropy in f.c.c. single crystals 47

5. The variation of strain ratio at the tensile test described by a hyperbolic function 57

5.1 The two ranges r([varepsilon]) function 57

5.2 Experimental verification 61

6. Determination of parameters of the r([varepsilon]) function from experimental data 65

6.1 Characteristics of experimental scatter along the r([varepsilon]) function 65

6.2 Determination of the fitting function based on maximal errors 66

6.3 Calculation of the fitting function r([varepsilon]) 74

7. The variation of strain ratio in single crystals subdued to tensile test 87

7.2 Single crystals with stable crystallographic orientation 88

7.3 Single crystals with unstable crystallographic orientation 93

7.4 Calculation of the r([varepsilon]) function in single crystals 100

7.5 General conclusions: single crystals and polycrystalline metals 104

8. Asymmetry of experimental scatter around the function r([varepsilon]) 107

8.2 Asymmetry of experimental scatter in copper [100] single crystals 108

8.3 Quantitative approach to the asymmetry of experimental scatter 110

9. Instability of crystallographic orientation in real single crystals 117

9.2 Effect of the variation of the [alpha] parameter the r([varepsilon]) relationship in single crystals 122

9.3 Effect of the change of [rho] parameter on the r([varepsilon]) relationship 126

9.4 Evaluation of the [alpha] and [rho] parameters 128

9.5 The role of imperfection of f.c.c. single crystals in the analysis of instability of crystallographic orientation at uniaxial deformation 132

9.6 A quantitative evaluation of instability of the strain ratio The method 135

9.7 Plastic anisotropy in brass single crystals 136

9.8 Instability of the strain ratio and crystallographic orientation in strained real f.c.c. single crystals 144

10. The multifarious application of the r([varepsilon]) function in research and technology 147.

Notes:

Includes bibliographical references.

ISBN:

0792368398

OCLC:

45661467