Deformation of Metals During Rolling

1st Edition - January 1, 1965
Authors: I. Ya. Tarnovskii, A. A. Pozdeyev, V. B. Lyashkov
Language: English
eBook ISBN:
9 7 8 - 1 - 4 8 3 1 - 8 5 1 0 - 1

Deformation of Metals during Rolling discusses the ductility of metal. The book explores the implication of the theory of flat cross section. The said theory explains that flat… Read more

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Deformation of Metals during Rolling discusses the ductility of metal. The book explores the implication of the theory of flat cross section. The said theory explains that flat transverse-vertical cross-sections before deformation remain flat both in the zone of deformation and after rolling. Such theory has been accepted until some research appeared that opposed the basic view in the theory of rolling. Another theory discussed is the theory of inhomogeneous deformation. The book focuses on the fundamental hypotheses of the mechanics of continuous media. It also covers topics such as the creation of model of deformation that closely resembles the real conditions of the rolling process and the determination of boundary conditions. A section in the book presents information on the degree of the deformation of metal during compression. The text can be a good reference for industrial engineers and academic students doing research on the properties of steel and iron.

Contents

Preface

Chapter I. The Hypothesis of Flat Cross-Sections in Investigations of the Flow of Metal During Rolling

1. The Hypothesis of Flat Cross-sections and the "Theory of Rigid Ends"

2. The Practical and Theoretical Importance of the Study of the Inhomogeneity of Deformation during Rolling

Chapter II. The Theory of Inhomogeneous Deformation

3. The Inhomogeneity of Deformation during Rolling and its Manifestations

4. The Present State of the Study of the Internal Inhomogeneity of Deformation during Rolling

5. On the Application of the Saint Venant Principle in the Theory of Mechanical Working of Metals

6. Variational Methods in the Theory of the Mechanical Working of Metals

7. The Use of Variational Methods for the Calculation of the Deformed State

Chapter III. An Investigation of the Internal Inhomogeneity of Deformation During the Rolling of Stock of "Moderate" Thickness. Instance of Plane Strain

8. Review of Methods of Investigation of the Inhomogeneity of Deformation During Rolling

9. Experimental Data on the Internal Inhomogeneity of Vertical Deformation during the Rolling of Stock of "Moderate" Thickness

10. Location and Extent of the Zone of Longitudinal Adhesion. Zone of Restricted Deformation

11. Comparison between the Inhomogeneity of the Vertical Deformation on the Side Surface and Along the Center of the Width of a Specimen

12. Velocities of the Movements of the Particles of Metal in the Zone of Deformation during Rolling

Chapter IV. The Inhomogeneity of the Increasing Bulk Deformation During Rolling Between Plain Rolls

13. Method of Conducting the Experiments

14. Experimental Investigation of the Inhomogeneity of Bulk Strain

Chapter V. Experimental Investigation of the Inhomogeneity of Deformation During Compression and the Rolling of "High" Bodies

15. Ductility of Metals

16. Experiments in the Compression of "High" Cylinders

17. Compression of "High" Bodies with External Zones (Rigid Ends)

18. State of Stresses during the Compression of "High" Bodies with External Zones

19. Investigation of Local Vertical Deformations during Modelling of the Rolling of Heavy Ingots in a Blooming Mill

20. Investigation of the Increasing Bulk Strain during Modelling of the Rolling of Heavy Ingots in a Blooming Mill

21. Works Experiment in the Rolling of a Steel Ingot in a Blooming Mill

22. The State of Stresses during the Rolling of "High" Bodies

23. The Longitudinal Velocities of the Flow of the Metal during Rolling in a Blooming Mill

Chapter VI. The Use of Variational Principles for the Solution of Some Problems of Rolling Theory

24. The Use of Integral Equations of the Work Done in Deformation for the Determination of the Forces

25. Forces during Compression. Plane Problem

26. Forces during the Compression of a Cylinder

27. Forces during Rolling. Plane Problem

28. Forces during Compression. Plane Problem in the Absence of Contact Slip

29. Forces during Compression. Variant of the Solution of the Plane Problem in the Absence of Contact Slip

30. Determination of the Location of the Neutral Cross-section during the Rolling of Thick Lengths of Stock and Those of Moderate Height

31. Determination of the Location of the Neutral Cross-section during the Compression of Wedge-shaped Specimens between Inclined Tools with Full Adhesion and Constant Draft Along the Length

32. Determination of the Location of the Neutral Cross-section during Rolling with full Adhesion on the Contact Surface

33. Determination of the Location of the Neutral Cross-section for a Medium which is in a State of Flow

34. Determination of the Location of the Neutral Cross-section during Rolling. Instance of the Simultaneous Occurrence of Zones of Adhesion and of Slip

35. Experimental Determination of the Location of the Neutral Crosssection during Rolling

36. Determination of the Forces during the Rolling of Thick Stock

37. Calculation of Forward Slip Taking into Account a Zone of Adhesion

Chapter VII. The Coefficient of External Friction and the Conditions of the Bite on the Stock by the Work Rolls During Rolling

38. Review of Methods of Determination of the Coefficient of External Friction

39. Determination of the External Friction Coefficient from the Experimental Forward Slip

40. Literature Data on the Conditions of the Bite on the Stock by the Work Rolls 284

41. Deformation of the Metal during the Bite on the Stock by the Work Rolls and the Filling of the Roll Gap by the Metal, at low Values of the "Shape Factor"

42. Deformation of the Metal during the Bite on the Stock by the Work Rolls and the Filling of the Roll Gap, at High Values of the "Shape Factor"

43. The Relationship Between the Maximum Drafts during the Bite and the Established Rolling Process and the Parameters of the Zone of Deformation

Conclusions

References

Index