Unit 19 Measurements of strain, stress, and coil mechanical properties

Oct 12, 2012

170 likes | 419 Vues

19. Measurements of strain, stress, and coil mechanical properties 2. Outline. IntroductionStress-strain measurements devicesCapacitive gaugesStrain gaugesMeasurements of coil propertiesElastic modulusThermal contraction. 19. Measurements of strain, stress, and coil mechanical properti

Share Presentation

Embed Code

Link

roxy

Télécharger la présentation

Unit 19 Measurements of strain, stress, and coil mechanical properties

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

Stress and Strain

Stress and Strain. Lab 4. To understand how engineers compare different materials. To understand how a strain gage works. To understand important issues for data acquisition. To understand the need for experimental data. To understand some basic structural features of a bicycle.

555 views • 15 slides

Stress and Strain

Stress and Strain. Deforming Solids. Solids deform when they are subject to forces. Compressed, stretched, bent, twisted They can maintain or lose their shape. Linearly Elastic. For small deformations, solids follow Hooke’s law.

748 views • 8 slides

Analysis of Stress and Strain

Analysis of Stress and Strain. Review:. - Torsional shaft. - Axially loaded Bar. t nt. p. s n. q. t xy. h. P. P. q. t yx. Questions: (1) Is there any general method to determine stresses on any arbitrary plane

1.03k views • 18 slides

Stress and Strain

Stress and Strain. Stress. Force/Area Pressure is one form of Stress Units: Pascals (1 bar = 1 atm = 100,000 Pa) Normal Stress: Perpendicular to surface Compression vs. Tension Shear: Parallel to Surface. Stress. Hydrostatic Stress (usually compressional) Uniform in all directions.

786 views • 30 slides

Stress and Strain

Stress and Strain. Lab 4. To understand how engineers compare different materials. To understand how a strain gage works. To collect and analyze experimental data. Objectives. Strain: . Stress:. Hooke’s law:. Where: E = Modulus of Elasticity s = stress e = strain.

768 views • 15 slides

Unit 19 Measurements of strain, stress, and coil mechanical properties

Unit 19 Measurements of strain, stress, and coil mechanical properties. Paolo Ferracin and Ezio Todesco European Organization for Nuclear Research (CERN) Soren Prestemon and Helene Felice Lawrence Berkeley National Laboratory (LBNL). Outline. Introduction

321 views • 17 slides

FORCE-STRAIN-STRESS measurements

FORCE-STRAIN-STRESS measurements. 9.1 - INTRODUCTION. Strain is the amount of deformation of a body due to an applied force. More specifically, strain is defined as the fractional change in length.

570 views • 32 slides

Analysis of Stress and Strain

Analysis of Stress and Strain. Review:. - Torsional shaft. - Axially loaded Bar. t nt. p. s n. a. q. t xy. h. P. P. q. t yx. Questions: (1) Is there any general method to determine stresses on any arbitrary plane

548 views • 18 slides

Stress and Strain

Stress and Strain. When the forces discussed in our last lesson act on a material, the material is said to be under stress . If a material is being stretched, it is under tensile stress . If a material is being squeezed, it is under compressive stress .

425 views • 22 slides

Stress and Strain

Stress and Strain. Solid Deformation. Solids deform when they are subject to forces. Compressed, stretched, bent, twisted They can maintain or lose their shape. The ratio of the force to the displacement is a constant. Hooke’s Law. F. D x. Stress. A force on a solid acts on an area.

1k views • 13 slides

Mechanical Properties of the NCSX Modular Coil Conductor

Mechanical Properties of the NCSX Modular Coil Conductor. 14 January 2004 Leonard Myatt Myatt Consulting, Inc. Q: What is the Modular Coil Conductor Elastic Modulus?. CTD Mechanical Tests of Insulated Single Modular Coil (ISMC). ANSYS Twisted Cable Model (Glass

295 views • 16 slides

Transformations of Stress and Strain

6. Transformations of Stress and Strain. Introduction Transformation of Plane Stress Principal Stresses Maximum Shearing Stress Example 7.01 Sample Problem 7.1 Mohr’s Circle for Plane Stress Example 7.02 Sample Problem 7.2 General State of Stress

472 views • 16 slides

Transformations of Stress and Strain

7. Transformations of Stress and Strain. The most general state of stress at a point may be represented by 6 components,. Introduction. Same state of stress is represented by a different set of components if axes are rotated.

613 views • 28 slides

III. Strain and Stress

III. Strain and Stress. Strain Stress Rheology. Reading Suppe , Chapter 3 Twiss&Moores , chapter 15. http://www.alexstrekeisen.it/english/meta/deformedoolite.php.

992 views • 58 slides

Shear Stress and Strain

Shear Stress and Strain. Shear Stress, Shear Strain, Shear Stress and Strain Diagram. Shear Stress. V: shear load ( the force is acted on the center of designated area) A: area of the plane. Shear Stress: Load (V). Shear Stress: pin and rivet. V A = 0.5 F A. Shear Stress: pin and rivet.

3.16k views • 27 slides

HQ test at CERN: strain and stress measurements

HQ test at CERN: strain and stress measurements. H. Bajas, A. Chiuchiolo. OUTLINE. Summary of the HQ01-e mechanics during its service life Detail analysis of the stress/strain behaviour during operation. OUTLINE. Summary of the HQ01-e mechanics during its service life

352 views • 16 slides

Transformations of Stress and Strain

7. Transformations of Stress and Strain. Introduction Transformation of Plane Stress Principal Stresses Maximum Shearing Stress Example 7.01 Sample Problem 7.1 Mohr’s Circle for Plane Stress Example 7.02 Sample Problem 7.2 General State of Stress

754 views • 40 slides

Stress and strain

Stress and strain. Strain. Both the stress and the strain tensor are symmetric. Stress and strain (again). Both the stress and the strain tensor are symmetric. Elastic Constants. Symmetry:. Thermodynamics:. Lame’s parameters. Lame’s parameters. Stress and Strain. Stress and Strain.

585 views • 17 slides

Strain Measurements

Strain Measurements. Module goals… Introduce students to operating principles behind strain gauges Discuss practical issues regarding strain gauge installation and usage. Understand how bridge circuits are used to determine changes in gauge resistance --- and hence, strain.

1.42k views • 20 slides

Normal Strain and Stress

Normal Strain and Stress. Normal Strain and Stress, Stress strain diagram, Hooke’s Law. Strain. When a body is subjected to load, it will deform and can be detected through the changes in length and the changes of angles between them.

1.78k views • 29 slides

III. Strain and Stress

III. Strain and Stress. Basics of continuum mechanics, Strain Basics of continuum mechanics, Stress. Reading Suppe, Chapter 3 Twiss&Moores, chapter 15 Additional References : Jean Salençon, Handbook of continuum mechanics: general concepts, thermoelasticity, Springer, 2001

345 views • 22 slides

III. Strain and Stress

III. Strain and Stress. Strain Stress Rheology. Reading Suppe , Chapter 3 Twiss&Moores , chapter 15. Photomicrograph of ooid limestone . Grains are 0.5-1 mm in size. Large grain in center shows well developed concentric calcite layers.

666 views • 62 slides

More Related