Ti

1. Introduce – A high-strength metal that weighs less than half as much as steel and offers excellent heat resistance, corrosion resistance, and biocompatibility – As an active metal with high affinity for O and N, it is highly reactive; when exposed to water or air, it oxidizes rapidly to form a passive film on its surface (this passive film gives it superior corrosion resistance, second only to gold and platinum) – Commercial-grade titanium is classified into grades based on impurity content (impurities: N, C, H, O, Fe, etc.) * Type of titanium (1) CP (Commercialloy Pure) √...