The plastic blunting process is the growth mechanism of crack, followed by the ___________

The plastic blunting process is the growth mechanism of crack, followed by the ___________ Correct Answer second stage of the crack growth

The stage-II crack propagation occurs by the plastic blunting process. In this, the crack tip expands and contract on the application of the tensile load causing the progression the crack.
Bissoy MCQ

Related Questions

According to Irwin’s correction of plasticity at the crack tip, the sufficient crack length is given as the actual crack length plus the radius of the plastic zone. The radius of the plastic zone (rp) in case of plane stress is given as ________
According to Irwin’s correction of plasticity at the crack tip, the effective crack length is given as the actual crack length plus the radius of the plastic zone. The radius of the plastic zone (rp) in case of plane strain is given as ________
The young’s modulus of the steel is 600 MPa, and the plastic stress required to extend the crack is 50*10-9, and the initial crack length is 2 microns. Find the fracture stress required to crack the material?
The crack propagation rate with stress is given as ______ Where; -> da/dN is crack growth with each cycle -> C is constant -> σm is mean stress -> σa is alternating stress -> a is the crack length -> m and n are constant
Find the crack growth per cycle for a steel plate where the crack growth equation is given by: -> da/dN = A(ΔK)p The value of p=3, A= 6.9*10-18, and stress intensity factor variation is 1 kPa m1/2.
Match the following Types of mechanism Motion achieved P. Scott Russel mechanism 1. Intermittent motion Q. Geneva mechanism 2. Quick return motion R. Off set slider crank mechanism 3. Simple harmonic motion S. scotch Yoke mechanism 4. Straight line motion
Which of the below are inversions of slider crank mechanism?
1. Oscillating cylinder engine mechanism
2. Toggle mechanism
3. Radial cylinder engine mechanism
4. Quick return mechanism
In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: No rubber are plastic Statement II: All polymers are rubber Conclusion I: Some plastic are polymers Conclusion II: No polymers are plastic
According to Irwin’s theory of crack resistance, the failure occurs when the rate of change of __________ release rate is equal to the rate of change of _______________ to the crack growth.
Directions : In each of the following questions a statement is given, followed by three conclusions. Give answer :

Statement : India's economic growth has come at a terrible price of increased industrial and vehicular pollution.

Assumptions :
I. Pollution is a part of industrial society.
II. Indian economic growth is based on only industrial growth.
III. A country desires economic growth with manageable side effects.