Answered: Calculate the longitudinal stress at…

Calculate the longitudinal stress at the anchor location for a silicon cantilever with the length L = 150 pm, the height b = 4 pm, and the tip displacement a = 1 µm. Assume E= 170 GPa and = 0.1.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.3.19P: Repeat Problem 2.3-18, but assume that the bar is made of copper alloy. Calculate the displacements...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Calculate the longitudinal stress at the anchor location for a silicon cantilever
with the length L = 150 pm, the height b = 4 μm, and the tip displacement
r = 1 μm. Assume E= 170 GPa and v=0.1.

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