1- Estimate the Yield Strength and/or Ultimate Strengths for the following materials and states whether the material isductile or brittle:(a) CA655-High Silicon Bronze\ spring temper (b) Carbon Steel 1030\ cold rolled(c) Polypropylene 20-30% glass filled2- Estimate the Stress-concentration factors (Kt) for:(d) Stainless Steel 17-7 PH (AISI 631)\ hardened(a) D/d= 1.15 & r/d=0.14D(b) d/W-0.25 & d/h=1.5(c) D/d= 1.07 &r/d=0.18MEstimate the fatigue Stress-concentration factors (Kf) for:dMDdD/d= 1.2 & r/d=0.26M(a) Steel: Sut=70 kpsi & r=3.6mm (b) Heat treated Aluminum: Sut=40 kpsi & r=0.15 in(c) Strain hardened Aluminum: Sut=241 Mpa & r=0.05 inIf the loads are static and ox= 22 Mpa oy= -32 Mpa and Txy= 13 Mpa Find the following:(a) 01 & 02(b) Safe or not? (Graphically) using Tresca, Von mises, and Max normal stress if the material is Ductile Iron 80-55-06 \ annealed.(c) S.F (analytically) if the material is Nylon 11 20-30% glass filled.If the load is static and T=22 kN.mm Find the following:(a) ox, oy & txy (b) 01 & 01

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Answered: 1- Estimate the Yield Strength and/or…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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1. Suppose that you have measured the strain aging kinetics of a high-strength low-alloy (HSLA) steel and obtained the following results: Aging Temperature (°C) Aging Time (min) ΔΥ (MPa) 150 240 40 130 1800 40 Determine (using a mathematical rather than graphical approach) the time necessary to obtain a strengthening increment, AY, of 40 MPa at an ageing temperature of 120°C. State any assumptions made in order to arrive at your approximation.
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