University:
McMaster University
Course:
MATLS 2H04 | Introduction to Materials Engineering
Academic year:

2023
Views:

88

Pages:

4
Author:

Sabrina S.

Axial Loading 13 ID Members Under Axial Loading 13.1 Internal Forces Statics Revision 2P K E x Force Equilibrium 2P-PRO AE 2 EC E(call) N R 13.2 Elongation P= k k sriffness = f(material, geomerry) 6 = deformahan P= applied lood 14 ID Members under Axial Loading 14.1 Stress, Strain. Young's Madolus E Lo stress is used to determine failure of materials in structures we combines both loading & geometry of the mortar of a pl. 142 Hooke's Law F EA CA axial rigidity FL M Steel-200 GP Al-70 GP T-300 M Componies Carbon Fibres-200-800 GPS eg/l what is the axial displacement of point c FBD equilibrium FaPRO ut I FP-P equilibrium (Lus) N. F NP-P (RHS) -N-PP0 same Hang NP-P G 2 ( Rus)P=0 (LIS) FP-NO HP-F NB MP PL N E S # total extension δη 5 Stahcally Indeterminate Axially Loaded Members Le statically indeterminate systems have less eg's than untenours exemples of stystems that are statically indeterminate fixed-fired beam internal deflection occurs due to an applied lood but none of the ends are free to move introduce reactions at A & B only one eq? A.P-8-0 dissimilar cone SAG 0 Sar S0 a beam composed of diff Score Sover material interiors & exteriors tube with a gap a beam where the internal core extends beyond the external shell. 8curre Savier gap between mein (mm) rigid beam w three supports. 43 reaction forces on B, D, F BDFP-0 048103804F0 (olour c) SCD 05 (SAB SEF) eg What are the reaction forces at A and C? axial loading compartality Ser=0 бль бас 0 clongation S NF SES ES ES 0 Fa=-P(1) FP wt II FP. NO No-Fa-P ES P 6 Thermal Stress & Strain in ID Members if a is positive (true for most materials) then the material expands as temp Ars AT от ст S L S Metals Steel 13 A 24 Carbon Fibres 2 8₁ = T = const.