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This is a Template for a Master's ThesisProject - Oregon Institute of

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This is a Template for a Master's ThesisProject - Oregon Institute ofof,is,a,This,this,FOR,for

     This is a Template for a Master’s Thesis/Project

    Advised by Professor Lawrence J. Wolf

    Put the Title of Your Thesis/Project Here

    Using This Style of Type

    To the student: This template is based upon and augments the OIT Thesis/Project Guide.

    It appears here in “Print Layout.” It complies with the style and organization in the

    Thesis/Project Guide. But, it is based upon an underlying “Outline View” which can be

    obtained by pulling down and selecting it from the “View Menu.” Learn to use the

    Outline View and its commands. You can toggle back to this “Print Layout” by selecting “Close Outline View” from the command bar in the Outline View.

    A Thesis/Project

    Presented to the Faculty

    of Oregon Institute of Technology

    in Partial Fulfillment of the Requirements for the Degree of

    Master of Science

    by

    Your Name Here

    The Date Here

    i

? Your Name Here

All Rights Reserved

ii

iii

(Optional for Project)

iv

    Oregon Institute of Technology

    Office of Graduate Studies

    Final Approval

    Of the Thesis/Project Submitted by

    Your Name Here

    The following individuals have read this Thesis/Project and agree that it fulfills the

    requirements for a Master of Science degree.

    __________________________ ______________ Graduate Advisor Date __________________________ ______________ Committee Member Date

    __________________________ ______________ Committee Member Date

    __________________________ ______________ Department Chair Date

    __________________________ ______________ Thesis Editor (Optional for Project) Date

    ________________ ______________ Provost (Optional for Project) Date

    v

    Abstract

    Note to student: Write the abstract as shown in the example below. The abstract is a condensed summary of your Thesis/Project information and is limited to one page of

    double-spaced text. Include your hypo Thesis/Project, research methodology, results, and conclusions. Note that an abstract does not use quotations, headings, references, or an excessive amount of statistical or other numerical data. Your reader should be able to read your abstract and understand the content and organization of your Thesis/Project.

    Tension is presented in this Thesis/Project as the predominant force in many structures and structural elements. The elongation of a tension member is first introduced along with the definition of stress. It is then revisited and refined using a sense of total deformation. The concept of strain is then introduced.

    Methods of applying and measuring stress and strain in a tensile test are then discussed from a historical perspective as well as from the point of view of modern strain- gage technology. A tensile test was used to determine the four fundamental material properties of: (1.) yield strength, (2.) ultimate strength, (3.) elastic modulus, and (4.) percent elongation. The process is explained and developed. The variation of these fundamental material properties by means of cold working, alloying, heat-treating, and time rate of loading is discussed. Test data is included, demonstrating all of these effects.

    The research methodology of finite element analysis (FEA) is applied to a tensile specimen as a means of determining the distribution of stress and deformation throughout a tension member. The interpretation of FEA results to determine stress concentration is explained. The conclusion is reached that the finite element analysis method accurately depicts the experimentally derived stresses and deformations in tension members.

    vi

    To the student: MS Word can make the table of contents automatically. Do that last. When you are ready, be sure you have a backup. Then remove (Do not erase!)

    this template table of contents. Every version of Word has a means for removing a table

    of contents. That must be done first before it can get its brain around a new table of

    contents.

    The automatic table of contents function will save a lot of detail work. But there

    will always be some cleanup necessary. There are systematic ways of doing that as well.

    Table of Contents

    Abstract ............................................................................................................ vi

    List of Illustrations ......................................................................................... viii

    Acknowledgments (This is an optional page.) ...................................................x

    Glossary (This is an optional section.) ............................................................. xi

    Introduction .......................................................................................................1

    I. Purpose and Significance ........................................................................... 1

    II. HypoThesis/Project (or research questions) ................................................ 2

    III. Methodology ............................................................................................. 3

    IV. Arrangement.............................................................................................. 3

    Body ....................................................................................................................4

    I. Tin-Lead (Sn/Pb) Mixture..........................................................................4

    II. Finite Element Analysis of Stress Concentration ......................................6

    II.A. The Part, the Elements, the Mesh, and the Von Mises Stresses ....................... 8

    II.B. Location of the Maximum Stress ..................................................................... 9

    II.C. The Principal Stress Tensor ............................................................................ 11

    II.D. The Distortion of the Part .............................................................................. 13

    III. The Role of Stress Concentration in Part Failure. .............................. 14

    Conclusion(s) .................................................................................................... 15

    I. Evaluation ............................................................................................... 15

    II. Recommendations ................................................................................... 16

    III. Indication of Further Research ................................................................. 16

    Ending Elements .............................................................................................. 18

    I. List of References .................................................................................... 18

    II. Appendices .............................................................................................. 19

    vii

    Note to the student: This is a list of your illustrations. It is best done by hand after the pagination is complete. When I say, “by hand”, I mean that there may be no automated way of doing this in Word. This page is only an example in that the citations here do not necessarily agree with the illustrations, page numbers, and captions in the body.

Depending on the content of your Thesis/Project, this may be a “List of

    Figures/Tables/Illustrations", a list of one of the three, or be followed by lists of the others as shown on page 20 of the Thesis/Project Guide.

    List of Illustrations

    1. Image of a Whisker Growth Between two Diodes. The failure occurred when a tin

    whisker bridged a connection between a diode and a grounding track. Image

    edited with permission from Dominion Nuclear Connecticut of a failure at

    Millstone Nuclear Power Station. ............................................................................... 3

    2. Image of a Whisker Growth. The thickness estimated at 400 x 250 nm. Image

    used with permission from the University of Maryland Center for Advanced Life

    Cycle Engineering. ……………………………………………………………… 8

    3. Image of Silver Whiskers. The whiskers are present in a low-voltage circuit

    breaker bridging gaps and causing electrical shorts. Image from Dr. Bella

    Chudnovsky's Technical Paper: “Degradation of Power Contacts in Industrial

    Atmosphere: Silver Corrosion and Whiskers,"48th IEEE Holm Conference on

    Electrical Contacts 2002, used with permission. ....................................................... 10

    4. Roman Lead Water Pipes with Taps. Image used with permission from the

    Regional Archeological Museum in Palermo. .......................................................... 13

    5. Aerospace Study. This study shows the flow of lead through an aerospace

    manufacturing facility. From the paper titled “Viable Solutions to the Mitigation

    of Lead in Electronics” Sean O’Connell 2009 .......................................................... 24

    6. SEM Image of FIB Cross-Section of Whisker Base in Matte Tin. (Image Courtesy

    of N. Vo, Motorola.)……………………………………………………………......30错误;未定义书签。

    viii

    To the student: (This is an optional section.) There is no heading on this page. This page allows you to dedicate your Thesis/Project to a special person(s). Center the text on the page horizontally within the margins, and then center it vertically. The text on this page does not need to be in English.

    To My Wife and Children,

    for Their Unending Support and Encouragement

    ix

    Acknowledgments (This is an optional page.)

    This page allows you to recognize persons or entities who gave you special assistance on your document. For example, you can express appreciation to your

    graduate advisor and/or Graduate Committee for their assistance. If you have received funding from a grant for your Thesis/Project research, it is essential to acknowledge that assistance. Some agencies have special formats for doing so. Check with your funding source for appropriate acknowledgment format. First person is permissible in an acknowledgment.

    x

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