The Brinell hardness number of a dental gold alloy has a direct relationship with which of the following properties?

Explanation

The Brinell hardness number of a dental gold alloy is directly proportional to its tensile strength, meaning that as tensile strength increases, the hardness number also increases. Other properties like elongation, modulus of elasticity, and modulus of resilience do not show a direct proportional relationship with the Brinell hardness number.