# metallic bonding

## Hardness of Solid Substances - Grinding Zinc

Zinc metal is not easily ground or crushed.

## Hardness of Solid Substances - Grinding Tin

Tin is a relatively soft metal that can be flattened.

## Hardness of Solid Substances - Grinding Lead

Lead is a relatively soft metal that can be flattened.

## Simulation of Dislocations in Metals - Introduction

Soap bubbles in a raft form grains of close-packed arrays with various orientations relative to each other.