Training overview
Professional Course
E-learning
6 hours
From 235 USD
Start dates
Online
235 USD
Contact provider for information
American Welding Society

Course description

Metallurgy II

Welding involves various metallurgical phenomena, including melting, freezing, diffusion, precipitation, thermal strains, and shrinkage. If disregarded or misunderstood, these effects can lead to cracking, porosity, or welds with poor properties.

This course builds on the fundamental principles described in Metallurgy I to provide a basic understanding of the nature of metals, the metallurgical phenomena involved in welding, and the effects of these phenomena on the properties of welded materials.

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Who should attend?

  • Anyone involved in the design, fabrication, or inspection of welded, brazed, or soldered joints
  • Anyone wishing to learn how to decipher welding symbols and prints
  • Anyone seeking to prepare for the AWS Certified Welding Inspector exam
  • Anyone seeking to prepare for the AWS Certified Welding Inspector exam

This student body may encompass many positions, including:

  • Welders
  • Welding engineers
  • Welding inspectors
  • Welding sales reps
  • Welding supervisors
  • Shop owners

Prerequisites

While no prior courses are necessary to fulfill prerequisite level knowledge, we advise novice students to take our Welding Fundamentals I course to become more familiar with welding terminology.

Training content

  • Module 1 – Atoms, Unit Cells, and Crystal Structures
  • Module 2 – Alloys, Diffusion, and Solid Solubility
  • Module 3 – Phase Diagrams Part I
  • Module 4 – Phase Diagrams Part II
  • Module 5 – Physical and Mechanical Properties
  • Module 6 – Thermal Characteristics: Thermal Conductivity and Density
  • Module 7 – Thermal Characteristics: Specific Heat and Diffusivity
  • Module 8 – Metallurgical Considerations for Welding
  • Module 9 – Heat Treatments
  • Module 10 – Stresses and Stress Relief
  • Module 11 – Welding Metallurgy of Common Materials

Costs

  • Member: $175
  • Non-member: $235

Certification / Credits

Upon completion of the course, participants will earn 6 PDHs / 0.6 CEUs.

Learning Outcomes

  • Identify and describe the common crystal structures of metal
  • Explain metal solidification and grain growth
  • Differentiate between solid solubility and diffusion
  • Describe substitutional and interstitial alloying
  • Explain the diffusion process
  • Describe microstructure, phases, and phase transformation
  • Cite basic information about a given material utilizing a phase diagram
  • Identify the components of an iron-carbon phase diagram
  • Describe the process of phase transformations as an iron-carbon alloy is heated and cooled
  • Cite the difference between TTT and CCT diagrams
  • Define force, stress, strain, deformation, and failure
  • Identify and describe the five basic kinds of stress
  • Differentiate between plastic and elastic deformations
  • Calculate stress and strain and Young’s modulus
  • Identify the physical properties of a metal that impact heat flow
  • Differentiate metals with high and low thermal conductivity
  • Explain the relationship between heat and density
  • Discuss how atomic mass influences a material’s specific heat capacity
  • Discuss the factors that influence thermal diffusivity
  • Describe the heat affected zone and explain how it correlates with the iron-carbon phase diagram
  • Explain how heat input, preheat, carbon equivalent, base metal thickness, and cooling rate affect the heat affected zone
  • Describe the various heat treatments used in welding
  • Compare the efficacy of different quenching mediums
  • Define thermal expansion and residual stress
  • Describe the main types of welding distortion
  • Cite techniques to reduce distortion and residual stress
  • Identify the principal elements of stainless steel and their roles
  • Identify and describe the five types of stainless steel
  • Describe how to prevent sensitization and hot short cracking in austenitic stainless steel
  • Explain metallurgical concerns that should be considered when welding stainless steel, aluminum, and copper

About AWS

American Welding Society

The American Welding Society (AWS) strives to make the world a safer place by promulgating welding and joining technology and information. AWS does this by developing technical standards, professional training and certification programs, publications; and enabling networking of professionals in...


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Contact info

American Welding Society

8669 NW 36th Street
33166 Miami Florida

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www.aws.org

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