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Chapter 2
2.4 Microcrack formation in the shear zone
2.5 Gross fracture phenomenon ahead of tool-tip
2.6 Workpiece microstructure effect
2.7 Conclusions from the literature review
2.8 Objective and scope of the research
2.9 Approach to the work
The above stated research objectives are achieved by
performing following six tasks as shown in Fig.
2.30.
·
Task 1: FEA simulations
of micro-cutting.
·
Task 2: Experimentation
on micro-cutting.
·
Task 3: Analysis of
microcrack formation and its contribution to the size effect.
·
Task 4: Analysis of
specific work of fracture (R) and
size effect.
·
Task 5: Evaluation of J-integral ahead of tool-tip and its
contribution to size effect.
· Task 6: Modeling of workpiece microstructure in micro-cutting and evaluating its contribution to the size effect.
