1) Metal wires after cold work are usually sold in markets. Why? Increase yield strength This is called cold work strengthening. Tutorial (2)

Slides:

Advertisements

Similar presentations

Metals and Alloys. Alloys Two definitions Combination of two or more elements Combination of two or more metallic elements Metallurgical Commercial.

Advertisements

Grain Boundaries Ni-Base Superalloy Waspalloy 50µm high-angle grain boundary (  >15°) low-angle grain boundary.

Edexcel AS Physics Unit 1 : Chapter 7: Solid Materials

Characteristics of Metals AG 221 – Metals and Welding.

1 ) ) Kingdom of Saudi Arabia, Ministry of Higher Education, Jazan University, Preparatory Year Deanship. Practical Production Tech. & Workshop.

LECTURER 2 Engineering and True Stress-Strain Diagrams

Normal Strain and Stress

MECHANICAL PROPERTIES OF MATERIALS

EXPERIMENT # 8 Instructor: M.Yaqub

The various engineering and true stress-strain properties obtainable from a tension test are summarized by the categorized listing of Table 1.1. Note that.

Lecture 27, summer 2007 Mechanical Properties II: Polymers ENGR 145, Chemistry of Materials Case Western Reserve University Reading assignment: Callister.

EXPERIMENT # 3 Instructor: M.Yaqub

CTC / MTC 222 Strength of Materials

Mechanical Properties of

Lecture 26: Mechanical Properties I: Metals & Ceramics

Mechanics of Materials II

ENGR 225 Section

MECHANICAL PROPERTIES OF MATERIALS

Lecture # 6 Mechanical Properties of Metals Intended learning Outcomes: After the end of this lecture the student should be able to: Define stress –strain.

1.3.4 Behaviour of Springs and Materials

Mechanics of Materials Goal:Load Deformation Factors that affect deformation of a structure P PPP Stress: intensity of internal force.

Lab #1 Report due TODAY Individual Data Processing and Individual Write Up Lab #1 Report is due TODAY by midnight Answer Multiple Choice Questions ONLINE.

1 Subject: Composite Materials Science and Engineering Subject code: Prof C. H. XU School of Materials Science and Engineering Henan University.

Materials - Metals Ken Youssefi PDM I, SJSU.

PROPERTIES RELATED TO STRENGTH.  Strength is the ability of a material to resist applied forces without yielding or fracturing.  Strength of a material.

Objectives Students will be able to label a stress-strain diagram correctly indicating. Ultimate stress, yield stress and proportional limit. Students.

George F. Limbrunner and Leonard Spiegel Applied Statics and Strength of Materials, 5e Copyright ©2009 by Pearson Higher Education, Inc. Upper Saddle River,

CHE 333 Class 11 Mechanical Behavior of Materials.

Class #1.2 Civil Engineering Materials – CIVE 2110

ELASTICITY. Elasticity  Elasticity is a branch of Solid mechanics that deals with the elastic behavior of solids. It is the property of material of a.

Objectives 1.Define stress & strain. 2.Utilize Hooke’s Law to calculate unknown stresses and strains. 3.Determine material parameters from a stress-strain.

Unit V Lecturer11 LECTURE-I  Introduction  Some important definitions  Stress-strain relation for different engineering materials.

Classification of Metals

Mechanicial Properties of Materials

Materials PHYA2. MATERIALS DENSITY, SPRINGS, STRESS AND STRAIN Topics 11, pp.162–173.

Mechanics of Materials, 5e Chapter 1 Tension, Compression, and Shear.

1 ME383 Modern Manufacturing Practices Lecture Note #3 Stress-Strain & Yield Criteria Dr. Y.B. Guo Mechanical Engineering The University of Alabama.

Manufacturing Processes

1 Class #2.1 Civil Engineering Materials – CIVE 2110 Strength of Materials Mechanical Properties of Ductile Materials Fall 2010 Dr. Gupta Dr. Pickett.

Subtract 1Subtract 3 Subtract same number Subtract numbers from their doubles Subtract 2.

Poisson's ratio, n • Poisson's ratio, n: Units:

ME Manufacturing Systems Introduction To Manufacturing Systems by Ed Red Introduction To Manufacturing Systems by Ed Red.

Chapter 2 Properties of Metals.

Mechanical Properties of Materials

1.To understand the keywords associated with the deformation of different types of solids 2.To be able to calculate stress, strain and hence Young’s modulus.

Steel Stainless Steel Cast Iron Copper/Brass Aluminum

1.To understand the keywords associated with the deformation of different types of solids 2.To be able to calculate stress, strain and hence Young’s modulus.

Analysis and Design of Reinforced Concrete Beams

Haseeb Ullah Khan Jatoi Department of Chemical Engineering UET Lahore.

SIMPLE STRESS & STRAIN ► EN NO GUIDED BY EN NO PROF. V.R.SHARMA GEC PALANPUR APPLIED MECHANICS DEPARTMENT.

Tensile Test Post-Laboratory Dr. Ken Lulay EGR270 Spring 2009.

© Pearson Education Ltd 2008 This document may have been altered from the original Week 13 Objectives Define and use the terms stress, strain and Young.

PROPERTIES OF MATERIALS ENF 150 Chapter 10: Properties of Materials.

DEPARTMENT OF MECHANICAL AND MANUFACTURING ENGINEERING

Mechanics of Materials

Yield strength: the elongation of a mat'l

Chapter 3 – Mechanical Properties of Material

Manufacturing Systems

Poisons Ratio Poisons ratio = . w0 w Usually poisons ratio ranges from

THE NATURE OF MATERIALS

What is a metal? Nearly 75% of all elements are metals.

Lecture 4: Plastic Deformation

Tutorial in Mechanical Properties

Mechanical Properties of Metals

Mechanical properties of metals Stress and Strain in metals

Describing deformation

Mechanical Properties Of Metals - I

Mechanical Property 기계적 성질

Presentation transcript:

1) Metal wires after cold work are usually sold in markets. Why? Increase yield strength This is called cold work strengthening. Tutorial (2)

2) There are gold, silver and bronze medals in Olympic game? Why isn’t copper used for the medal? What kind of materials are used to make medals?

3

4) Why is elastic deformation recoverable? Why is plastic deformation un- recoverable?

5. Figure shows the tensile engineering stress-strain behavior for an aluminum alloy. (a) What is the modulus of elasticity? (b) What is the yield strength at a strain offset of 0.002? (c) What is the tensile strength? (d) What is the approximate ductility in percent elongation?

6. (a) List the three classification of steels; (b) for each, briefly describe the properties and typical application. 7. Cite three reasons why ferrous alloys are used so extensively. (b) Cite three characteristics of ferrous alloys that limit their utilization.