Tại sao nó quan trọng đối với vật liệu
An aero-engine turbine blade sits in gas hotter than the alloy's melting point and survives because of rhenium, hafnium and a ceramic coating. That is why a few tonnes of a by-product metal can be a national-security question.
Thành phần cấu tạo
Tất cả vật liệu →| Vật liệu | Chức năng của nó tại đây | Tầm quan trọng |
|---|---|---|
| Aluminium thiết yếu | Airframe skin and structure | Định nghĩa |
| Cobalt thiết yếu | Superalloy binder and magnets | Định nghĩa |
| Gallium thiết yếu | Radar transmit-receive modules | Định nghĩa |
| Hafnium thiết yếu | Superalloy and control rods | Định nghĩa |
| Nickel thiết yếu | Superalloy for hot sections | Định nghĩa |
| Rhenium thiết yếu | Single-crystal superalloy | Định nghĩa |
| Titanium thiết yếu | Airframe and engine structure | Định nghĩa |
| Antimony thiết yếu | Ammunition primers and flame retardants | Quan trọng |
| Beryllium thiết yếu | Optics and inertial guidance | Quan trọng |
| Germanium thiết yếu | Infrared optics | Quan trọng |
| Samarium thiết yếu | High-temperature magnets | Quan trọng |
| Tantalum thiết yếu | Superalloy and capacitors | Quan trọng |
| Tungsten thiết yếu | Penetrators and counterweights | Quan trọng |
| Yttrium thiết yếu | Thermal barrier coatings | Quan trọng |
| Scandium thiết yếu | High-strength aluminium alloy | Hiện tại |
Aluminium
A light silvery metal made by passing an enormous electric current through dissolved bauxite — which is why people…
Cobalt
A hard, bluish metal that keeps a battery's cathode stable so it does not overheat, and that holds its strength when…
Gallium
A silvery metal that melts in your hand, and the basis of the compound semiconductors in fast chargers, radar and…
Hafnium
Zirconium's chemical shadow — always found with it, almost impossible to separate from it, and the opposite of it in…
Nickel
A silvery metal that resists rust, which is why it goes into stainless steel — and, more recently, into the cathodes…
Rhenium
One of the rarest metals in the crust, recovered from molybdenum roasting, and the ingredient that lets a jet turbine…
