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Q. Discuss the role of precipitate particles, strengthening crystalline materials against yield as low as well as high temperature of deformation.
Ans. Effect of precipitate particles in strengthening: In case of some alloys there is hardness with time at room temperature or after heating to slightly higher temperatures. This type of hardening is called precipition or age hardening.
There is no true interface between the precipitate particle and the surrounding matrix. Since the solute atoms are of different size from the solvent atoms, large amount of elastic distortion is observed around the precipitate particle. These coherent precipitate particles are powerful obstacles to the motion of dislocations. This is because the large elastic distortion of the matrix around the particles interacts strongly with the stress field of dislocations.
Also called 1-bit DAC or sigma-delta DAC. It uses pulse-density modulation (PDM) which encodes the signal amplitude by the relative density of the pulses. The output voltage has on
Review the lecture on BB document “Pharmacology …..” slide 6 where the solution for a 1st order system was demonstrated. The generic system is A(X)?(K1)?B(Y)?(K1’)?C(Z) 1. Cr
I WANT TO KNOW WHAT IS DPC TERM MEANING IN CIVIL ENGINEERING
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i am building the above mentioned system and i intend using an arduino board together with the gsm shield. my problem is i don''t know if there is a way i can control a camera by p
what is QCM?
Assume that a movie is two hours long, that the frame rate is 30 frames per second, and that the resolution per frame is 1080i (1920×1080 pixels per frame), and that each pixel is
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