ME108 Fall 2013 Laboratory 3&4
Laboratory 3&4: Monotonic Tensile Loading & Fracture Toughness
Abstracts
Monotonic Tensile Loading
Monotonic tensile testing is a method of determining the mechanical properties of
engineering materials by applying axial ten
AAE 590, CRN 65011, Spring 2013
Homework #6; Due on Thursday, March 21
Solve the following problems. This HW is for your own benefit and is necessary to properly learn the material. It is
expected that each student put forward an honest effort in solving
108S12 Homework 7
ME 108 Mechanical Behavior of Engineering Materials Spring 2012
Homework 7
(Due Monday, March 12, 2012 in class by 1:10 pm)
1. A center-cracked plate of AISI 1144 steel has dimensions of b = 40 mm and t = 15 mm (see
Fig. 8.12(a) below).
ME108: Materials Overview
ME108, Fall 2016
Professor Grace OConnell
Copyright @ 2016 Grace D. OConnell
Announcements
Due today - Results from Learning Style Inventory
Upload onto bCourses
Next Week Lab 0
Bring your individual profile to lab
Sign safe
108F13 Homework 3
ME 108 - Mechanical Behavior of Engineering Materials Fall 2013
Homework 3
(Due Thursday, September 26, in the drop box on the 3rd Floor, Etcheverry Hall, by 5 pm)
1.
The Hall-Petch relationship describing the effect of grain size on yie
108S12 Homework 3
ME 108 Mechanical Behavior of Engineering Materials Spring 2012
Homework 3
(Due Monday, February 6, 2012 in class by 1:10 pm)
1. The solid cylindrical shaft in the figure below is simply supported at A and C, but is keyed against
rotatio
108S12 Homework 2
ME 108 Mechanical Behavior of Engineering Materials Spring 2012
Homework 2
(Due Monday, January 30, 2012 in class by 1:10 pm)
1.
A 25mm diameter shaft transmits 30 kW of power at 1200 rpm. It is also
subjected to a bending moment of M. I
ME 108 Mechanical Behavior of Engineering Materials Spring 2012
Homework 1
(Due Monday, January 30, 2012 in class by 1:10 pm)
1. Force F = 300 lbf acts on the crank handle as shown in the figure below. What are the magnitudes of
the forces and moments act
108S12 Homework 4
ME 108 Mechanical Behavior of Engineering Materials Spring 2012
Homework 4
(Due Monday, February 13, 2012 in class by 1:10 pm)
1. Stress-strain curve data from a tension test on 7075-T6 aluminum are plotted in the figure
below. Curve 1 s
University of California at Berkeley, Department of Mechanical Engineering
ME 108
Mechanical Behavior of Engineering Materials
Spring 2012
FORMULA SHEET
The equations listed here are for your reference. Solutions may require use of equations
that are cove
ME 108 SAMPLE FINAL Spring 2012
2. (20%) The stepped shaft shown below is subjected to a static torque and fully
reversed bending forces. The shaft is 1050 steel (yield strength = 180000 psi, ultimate
tensile strength = 220000 psi), and has a ground finis
ME 108 SAMPLE FINAL Spring 2012
1. (20%)
A hole in a plate that can potentially contain two edge cracks emanating from the hole
and loaded in tension has a correction factor KI/K0 given in the figure above. Here K0 =
(a)1/2 is the stress-intensity factor
Assigned: Week of Aug. 29
Fall 2016
Due: Week of Sept. 5
ME108 Laboratory Assignment 0:
Teaming with Diversity
The purpose of this laboratory assignment is to get to know your teammate, identify your teams goal,
and your own personal goal for ME108.
You h
NAME _
University of California
Mechanical Engineering Department
Use the space provided to solve the problems.
ME130
Homework 1 Due Th. Sept. 12
Fall 2013
1 -A reciprocating saw is shown below. Draw the kinematics diagram of the mechanism that produces t
Heat Treatment, Microstructure, and Hardness
Tomer Assaf, Lisa Torres, Daniel Sharon, Nelson Wang, Tianyu Wang
Date Submitted: February 4, 2013
Date Performed: January 28, 2013
Lab Section: 102
Lab GSI: Mike Nill
Abstract
The purpose of this lab was to de
ME108: Lecture 2 - Overview of Materials
Professor Grace OConnell
August 26, 2016
Learning Objectives
Overview of types of material failure that affect mechanical and structural design
Cite three criteria that are important in the material selection pro
108S12 Homework 8
ME 108 Mechanical Behavior of Engineering Materials Spring 2012
Homework 8
(Due Monday, March 19, 2012 in class by 1:10 pm)
1. A large part in a turbine-generator unit operates near room temperature and is made of ASTM
A470-8 steel. A su
notes / strengthening mechanisms
Hall-Petch Relation
y = i +
ky D
where ky is Petch parameter, also known as unpinning constant Model 1
Imagine a pile up at a grain boundary so that the stress at a point r from the pile up in the next grain is given by, L
MSE200
Lecture 8 (CH. 6.5-6.8)
Mechanical Properties I
Instructor: Yuntian Zhu
Objectives/outcomes: You will learn the following:
Plastic deformation single crystals.
The slip mechanism and dislocations.
Slip systems and the critical resolved shear stress
M. Vable
Mechanics of Materials: Mechanical Properties of Materials
3 83
CHAPTER THREE
MECHANICAL PROPERTIES
OF MATERIALS
Learning objectives
1. Understand the qualitative and quantitative descriptions of mechanical properties of materials.
2. Learn the l
HW 10
Problem 15.1
a. To Find:
Elastic modulus and tensile strength of poly(methyl methacrylate) at room temperature [20C
(68F)]. Compare these with the corresponding values in Table 15.1.
b. Given:
Figure 15.3 is accurate; the elastic modulus and tensile
108F13 Homework 2
ME 108 - M echanica l B ehavio r o f E ngineerin g M aterial s - Fall 2 01 3
H omewor k 2
(Due Thursday, September 19, in the drop box on the 3r Floor, Etcheverry Hall, by 5 pm)
1. The metals in the table below (taken from Table 3B) are
CONSTITUTIVE RELATIONS FOR LINEAR ELASTICITY
Constitutive relations in linear elasticity, or Hookes Law, are given below for an
isotropic material (properties of the material are independent of position). When
the six strain
108F13 Homework 2
ME 108 - Mechanical Behavior of Engineering Materials - Fall 2013
Homework 2
(Due Thursday, September 19, in the drop box on the 3r Floor, Etcheverry Hall, by 5 pm)
1. The metals in the table below (taken from Table 3B) are shown with pr
S Travaglini 2013
ME108 Discussion Two
Sonia Travaglini
[email protected] (M-F 9-5)
PhD Mechanical Engineering
University of California, Berkeley
Head GSI Your contact for course admin
You made it to week two!
S Travaglini 2013
ME108 - Mechanical Be