out of(a). Briefly explain THREE (3) sources of internal residual stresses in metal components and state the consequences of these stresses.Huraikan secara ringkas TIGA (3) sumber tegasan baki dalaman di dalam komponen logam dan nyatakan akibat tegasan tersebut(b). Describe with the aid of an illustration, heat treatment procedures for steels and state the intended final microstructure.Dengan bantuan gambar rajah, huraikan tatacara rawatan boba untuk keluli yang berikut serta nyatakan mikrostruktur akhir yang dikehendaki.().Full annealingPenyepuhlindapan penuh(i). NormalizingPenormalan(ii). TemperingPembajaan

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ut of (a). Briefly explain THREE (3) sources of internal residual stresses in metal components and state the consequences of these stresses. Huraikan secara ringkas TIGA (3) sumber tegasan baki dalaman di dalam komponen logam dan nyatakan akibat tegasan tersebut

ut of (a). Briefly explain THREE (3) sources of internal residual stresses in metal components and state the consequences of these stresses. Huraikan secara ringkas TIGA (3) sumber tegasan baki dalaman di dalam komponen logam dan nyatakan akibat tegasan tersebut

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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in a tabular format compare microstructure,for different cast irons and steel
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Q1: Austenitized 40 mm diameter 5140 alloy steel bar is quenched in agitated oil. Predict what is the Rockwell hardness of this bar will be at (a) its surface and (b) its center (c) What do you think about the difference in hardness number between the center and surface (d) Differentiate between hardness and hardenability (e) Rank the steels in the figure below from lowest to highest hardenability and explain why. Cooling rate at 700°C (°C/sec) 300 150 011/3 55 100 600 Bar diameter (mm) 80 60 40 20 0 OLL 0 0 ww 25 12.5 8 5 S -------------- M-R 10 3/4-R Agitated oil 15 20 1/4 3/4 Distance from quenched end. De (Jominy distance) 5.5 4 3 Bar diameter (in.) 0 25 mm 1 in. Hardness (Rockwell C) Where (C = center, S = surface, M-R mid-radius) 65 60 55 50 45 40 35 30 25 20 15 10 0 10 1 20 Distance from quenched end (mm) 5140 1 30 L 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 Distance from quenched end (sixteenths of an inch) 4340 40 9840 4140 8640 50
1. Determine working stresses for the two alloys that have the stress–strain behaviors shown in Figures 6.22.
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