Seven Types of Annealing, and Why Bearing Manufacturers Should Turn to Spheroidization
Sources: Machine Manufacturing; Knergize.com
Heat treating more often than not includes the process of annealing in order to induce precise softness; to alter ductility, strength, or properties; or to produce a definite microstructure. Because of the wide variety of steels and metal alloys, it is important for heat treaters to match the correct annealing process with the steel grade and to the application of the parts being treated.
Machine Manufacturing has provided a summary of the annealing process and listed seven types of annealing, describing the process and the objectives for each. Included in the list are:
- Complete Annealing
- Isothermal Annealing
- Incomplete Annealing
- Spherification Annealing
- Diffusion, or Uniform, Annealing
- Stress Relief Annealing
- Recrystalization Annealing
Read more: "What Is Annealing and 7 Types of Annealing Process"
And to take the analysis into more specific types of annealing, over at Knergize.com, Dr. S.B. Sarkar discusses Spheroidized Annealing and its benefit to bearing manufacturers, describing the metallurgical science behind the process, noting the need to adhere to international standards and specifications, and addressing equipment management and quality control of the process.
Read more: "Why Spheroidised Annealing of Bearing Steel Is Important for Manufacturing Good Quality Bearings"
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