الزركونيوم محطم المتوسطة
الزركونيوم hafnium البنى. Aug 28, 2020 Hafnium Alloys: Part Two :: Total Materia Article. Hafnium, with a melting point of 2,233 C is a key member of the superalloy family with key usage in a range of extreme high temperature uses Possessing excellent mechanical and corrosion resistance properties, in combination with the ability to absorb neutrons, hafnium is a key constituent ...