The Pressure for Indenting Material Resting on a Rough Foundation

1958 ◽  
Vol 25 (1) ◽  
pp. 64-66
Author(s):  
W. Johnson ◽  
D. M. Woo
Keyword(s):  
Plane Strain ◽  
General Expression ◽  
Slip Line ◽  
Extreme Values ◽  
Line Field ◽  
Slip Line Field ◽  
Field Solution ◽  
Rough Foundation

Abstract To indent a material on a rough foundation under conditions of plane strain, a slip-line-field solution is proposed and a general expression obtained for the necessary pressure. For extreme values of friction, calculated values are given.

A Slip Line Field Solution of the Free Oblique Continuous Cutting Problem in Conditions of Light Friction at Chip-Tool Interface

1980 ◽  
Vol 102 (4) ◽  
pp. 310-314 ◽  
Author(s):  
W. A. Morcos
Keyword(s):  
Plane Strain ◽  
Slip Line ◽  
Metal Cutting ◽  
Orthogonal Cutting ◽  
Cutting Parameters ◽  
Experimental Results ◽  
Line Field ◽  
Slip Line Field ◽  
Field Solution ◽  
Cutting Problem

Lee and Shaffer’s slip line field solution [11] for orthogonal cutting is generalized to the free oblique continuous cutting problem in plane strain. Comparison of the results as predicted by this solution with those of the plane strain modified Merchant model [8] and experimental results is achieved for some key metal cutting parameters. It is shown that in some respect, the plane strain modified Merchant model [8] predicts values of parameters which are closer to experimental results.

Slip Line Field Analysis of a Simple Plane Strain Closed-Die Forging

1989 ◽  
Vol 203 (2) ◽  
pp. 91-99
Author(s):  
M V Srinivas ◽  
P Alva ◽  
S K Biswas
Keyword(s):  
Velocity Field ◽  
Plane Strain ◽  
Slip Line ◽  
Field Analysis ◽  
Line Field ◽  
Slip Line Field ◽  
Die Forging ◽  
Closed Die Forging ◽  
Cavity Filling ◽  
Single Cavity

A slip line field is proposed for symmetrical single-cavity closed-die forging by rough dies. A compatible velocity field is shown to exist. Experiments were conducted using lead workpiece and rough dies. Experimentally observed flow and load were used to validate the proposed slip line field. The slip line field was used to simulate the process in the computer with the objective of studying the influence of flash geometry on cavity filling.

An Analysis of Contact Between a Pair of Surface Asperities During Sliding

1981 ◽  
Vol 48 (3) ◽  
pp. 493-499 ◽  
Author(s):  
Z. Lisowski ◽  
T. Stolarski
Keyword(s):  
Shear Stress ◽  
Shear Strength ◽  
Slip Line ◽  
Interfacial Shear Stress ◽  
Interfacial Shear ◽  
Line Field ◽  
Slip Line Field ◽  
Field Solution ◽  
Shaped Surface ◽  
Material Solution

An analysis of friction junction formed by a pair of interacting hemispherically shaped surface asperities was carried out. Depending on the maximum geometrical interference of the asperities junction deformation can be elastic or plastic. Elastic junctions were analyzed using Hertz solution. Depending on whether the junction is welded or nonwelded it was assumed that the interfacial shear stress is constant and equal to or less than the bulk shear strength of the weaker material. Solution for the case of plastic junction was approximated by Green’s slip-line field solution.

Sign in / Sign up

Export Citation Format

Share Document