Leaving Cert Engineering Heat Treatment: The difference between substitut

Question

The difference between substitutional solid solution and interstitial solid solution

In materials science, solid solutions can be divided into two main types: substitutional solid solutions and interstitial solid solutions.

1. **Substitutional Solid Solution**: This type occurs when the alloying atoms replace or substitute the parent atoms in the host metal lattice. This means that the atoms in the solid solution take the place of the atoms of the original material, allowing for the modification of the material's properties.

2. **Interstitial Solid Solution**: In this case, the alloying atoms fit into the interstitial spaces between the parent atoms in the alloy. These interstitial atoms are typically smaller than the parent atoms and occupy the gaps formed by the larger atoms in the lattice structure. This type of solution can also significantly influence the properties of the alloy.

The difference between substitutional solid solution and interstitial solid solution In materials science, solid solutions can be divided into two main types: substitutional solid solutions and interstitial solid solutions - Leaving Cert Engineering - Question i - 2020

The difference between substitutional solid solution and interstitial solid solution

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