Spot Weld Mechanical Properties 3 Impact Testing.

Slides:

Advertisements

Similar presentations

Composite Materials. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

Advertisements

Clad Materials. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

ME 240: Introduction to Engineering Materials Chapter 8. Failure 8.1 CHAPTER 8.

Production Technology (IND 006) Preparatory Year, Faculty of Engineering, Fayoum University Dr. Ahmed Salah Abou Taleb Lecturer, Industrial Engineering.

Copper. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes, 3.Listen.

Physics of Projection Welding. Projection Physics Lesson Objectives When you finish this lesson you will understand: The collapse of the projection during.

Welding Metallurgy 2. Lesson Objectives When you finish this lesson you will understand: The various region of the weld where liquid does not form Mechanisms.

Quality and Performance

Non Arc Welding Processes Resistance Weld High Energy Density

Spot Weld Mechanical Properties 2 Cross Tension Ductility Ratio Torsion Test.

MSE 201 – Laboratory IThe University of Tennessee Materials Science and Engineering Kurt Johanns MSE Laboratory I Mechanical Properties of Metals.

Nanostructured Metallic Materials Processing and Mechanical Properties Sung Whang.

Stainless Steel High Ni & Cr Content Low (Controlled) Interstitials Austenitic Nitrogen Strengthened Austenitic Martensitic Ferritic Precipitation Hardened.

Prediction of Load-Displacement Curve for Weld-Bonded Stainless Steel Using Finite Element Method Essam Al-Bahkali Jonny Herwan Department of Mechanical.

Shearing. Punch and die Ratio of rough area:burnished area increases with higher ductility Punch travel depends on the ductility or brittleness. –A brittle.

Welding Metallurgy 1998/MJ1/MatJoin3/1 Welding Metallurgy.

Jiangyu Li, University of Washington Lecture 18 Impact Test and Stress Concentration Mechanical Behavior of Materials Section 4.8, 8.1, 8.2 Jiangyu Li.

Conceptual Designs. Most Commonly used Metals Plain carbon steels –Available in all structural forms, thin sheets, coated or uncoated, cold formed, hot.

ENGR 225 Section

Aluminum Production and Properties. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides;

Spot Weld Mechanical Properties. Mechanical Properties Lesson Objectives When you finish this lesson you will understand: Peel Chisel and Tensile Mechanical.

Projection Design & Equipment

Zinc Aluminum Alloy Coated Steel. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides;

Uncoated Plain Carbon Steels Steel Production. Lesson Objectives When you finish this lesson you will understand: The principles of basic steel making.

API SC 6 Casting Research Project Evaluation of PSL Quality and Manufacturing Activities for Casting for Service Integrity.

New Higher Strength Coiled Tubing Developed to Extend Coiled Tubing Operating Envelopes W. D. (Don) Van Arnam.

Uncoated Plain Carbon Steel Material Variables. Uncoated Plain Carbon – Material variables Lesson Objectives When you finish this lesson you will understand:

Microwelding & Hotstaking. Microwelding Lesson Objectives When you finish this lesson you will understand: The methods of making welds on micro-components.

Resistance Welding The resistance of metal to the localized flow of current produces heat Process variables –Current –Time –Force Spot and seam welding.

Flash/Butt Welding Plain Carbon Steel. Flash Welding of Plain Carbon Steel Lesson Objectives When you finish this lesson you will understand: The flash.

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

Spot Weld Mechanical Properties 4. Mechanical Properties 4 Lesson Objectives When you finish this lesson you will understand: Fatigue Mechanical testing.

WE 602 Resistance Welding Processes Review & Physics of Spot Welding Reference Web Site for Review: www-iwse.eng.ohio-state.edu/we601.

Projection Welding.

Magnesium. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes, 3.Listen.

Module 1 - Processes Review

HEAT BALANCE. Heat Balance Lesson Objectives When you finish this lesson you will understand: Factors Effecting Heat Balance Solve Heat Balance Problems.

Welding Design 1998/MJ1/MatJoin2/1 Design. Lesson Objectives When you finish this lesson you will understand: Mechanical and Physical Properties (structure.

Uncoated Plain Carbon Steel Process Variables. Uncoated Steel – Process Variables Lesson Objectives When you finish this lesson you will understand: the.

Uncoated Plain Carbon Steel Process Variables Continued.

SURFACES BARRIORS & CLEANING

Stored Energy. Stored Energy Systems Lesson Objectives When you finish this lesson you will understand: Several alternative stored energy systems Learning.

Spot weldability Lesson Objectives When you finish this lesson you will understand: Concept of Spot Weldability Electrode arrangements Learning Activities.

Jiangyu Li, University of Washington Yielding and Failure Criteria Plasticity Fracture Fatigue Jiangyu Li University of Washington Mechanics of Materials.

1 Fracture Mechanics of Polymers B&R Ch , Fried 4.4 Testing methods of mechanical properties Static Transient Impact Cyclical.

Heat Balance. Lesson Objectives When you finish this lesson you will understand: heat flow thickness & material conductivity effects Recommended heat.

Mechanical properties Tensile test Hardness Toughness Fracture toughness Fatigue test Creep resistance Tensile test Hardness Toughness Fracture toughness.

Other Aluminum Welding Processes

Engineering materials. Materials and civilization Materials have always been an integral part of human culture and civilizations.

Process Modeling. Lesson Objectives When you finish this lesson you will understand: The various modeling techniques listed below Learning Activities.

The mystery of life is not a problem to be solved, but a reality to be experienced - Meditations from Buddislamic Text The mystery of life is not a problem.

STRUCTURES Young’s Modulus. Tests There are 4 tests that you can do to a material There are 4 tests that you can do to a material 1 tensile This is where.

DR KAFEEL AHMED Cast iron Properties 1.Strength 2.Hardness 3.Brittleness 4.Stiffness Depends upon 1.Alloying elements 2.Annealing.

Non Arc Welding Processes Resistance Weld High Energy Density Friction Welding Brazing & Soldering Plastics Joining.

Chapter 4. Mechanical Testing: Tension Test and Other Basic Tests

Material Behaviour. Produced by Neil Liggett.

Date of download: 10/31/2017 Copyright © ASME. All rights reserved.

Teknologi Las Kapal Destructive Testing.

Mechanical Properties of Metals

Chapter 3 Mechanical Properties of Materials

Mechanics of Materials Lab

Codes & Standards.

LECTURE-I Introduction Some important definitions

Mechanical Properties of Metals

Selection Criteria Properties Availability Cost

Presentation transcript:

Spot Weld Mechanical Properties 3 Impact Testing

Mechanical Properties 3 Lesson Objectives When you finish this lesson you will understand: Impact Mechanical testing techniques Factors which effect performance in Impact tests The importance of these test for part design Learning Activities 1.View Slides; 2.Read Notes, 3.Listen to lecture 4.Do on-line workbook Keywords Impact Test, Ductile-Brittle Transition, Tensile Shear Impact Test, Direct Tension Impact Test

Mechanical Properties of Spot Welds Peel Tests Chisel Test Tensile Test Tensile Shear Ratios Torsion Test Impact Tests Fatigue Test

Impact Testing of Tensile Shear Samples Low Temp Ductile to Brittle Temp Fine “Evaluation of a new, Dua Phase..” SAE Paper , Fgeb 1978

Bibber, “Spot Weldability of Low Carbon and other Aircraft Steels”, Welding Journal, Dec 1943 Effect of Sheet Size on Impact Test Results

Pollard, “Spot Welding Characteristics of HSLA Steel..”, Weldign Journal, Aug 1974 Effect of Sheet Thickness on Impact Results Tensile Shear Samples

Tensile Shear Direct Tension Sawhill, “Spot Weldabiloity of High Strength Steels”, Welding Journal, Jan 1980 Effect of Nugget Size On Impact Test Results Comparison of Test Samples

Effect of Weld Time (for same nugget diameter) Increased weld time may have resulted in nugget softening Unger “Behavior of Spot Welds Under Impact” Welding Journal, 1942

Effect of Hold Time Plain Carbon Steel No Effect on Tensile Shear Slight Decrease In Impact Energy For Cross Tension No Similar Data Found for Other Materials Dinsdale “A Comparison of Static and Impact Strength…” Sheet Metal Industries, Aug 1977

Dinsdale “A Comparison of Static and Impact Strength…” Sheet Metal Industries, Aug 1977 Hess “Spot Welding of SAE…” Welding Journal, Oct 1943 Effect of Chemistry 0.1 –0.2 Carbon Steels 0.2 – 0.5 Carbon Steels

Effect of Chemistry - 40 ksi HSLA different microalloy Ti free = Higher Impact Partial Nugget Failure = Higher Impact Fine “Spot Weldability of High Strength..” SAE Paper , Feb 1979

Effect of Material Strength Increase Strength Bibber “The Spot Weldability of Low Carbon..” Welding Journal, Dec 1943