Typs of alloys

This article provides answers to the following questions, among others:

  • What are alloys and why are they needed?
  • What are binary alloy systems?
  • What characterizes a solid solution alloy?
  • What types of solid solutions can be distinguished?
  • What is a complete solid solution series?
  • What characterizes a mixture of pure crystals?
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Complete solubility of components in solid state (solid solution)

This article provides answers to the following questions, among others:

  • What is a solid solution?
  • What do the cooling curves of solid solution look like?
  • What is a phase?
  • What is a phase diagram?
  • How to create a phase diagram?
  • How to read a phase diagram?
  • What characterizes the liquidus line or solidus line?
  • How can the chemical composition of the phases be determined from the phase diagram?
  • How can the phase fractions be determined from the phase diagram?
  • How do crystal segregation occur?
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Complete insolubility of components in solid state

This article provides answers to the following questions, among others:

  • What is a crystal mixture?
  • How do the cooling curves of an alloy with insoluble components look like?
  • How do you create the phase diagram of such an alloy?
  • What is a eutectic point?
  • What is a eutectic, hypoeutectic and hypereutectic alloy?
  • How does the microstructure of the above mentioned alloys form?
  • How can the chemical composition of the phases be determined from the phase diagram?
  • How can the phase fractions and microstructure fractions be determined from the phase diagram?
  • What is a microstructure diagram?
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Limited solubility of components in solid state

This article provides answers to the following questions, among others:

  • How does the phase diagram of an alloy with limited solubility of components look like?
  • What is a \(\alpha\) solid solution or \(\beta\) solid solution?
  • Why does the solubility of the components decrease with decreasing temperature?
  • How does precipitation occur in the microstructure?
  • What is meant by aging of a material?
  • What is artificial aging?
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