소재 분야에서의 중요성
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.
구성 성분
전체 소재 →| 소재 | 여기에서의 기능 | 중요도 |
|---|---|---|
| Aluminium 핵심 광물 | Airframe skin and structure | 정의 |
| Cobalt 핵심 광물 | Superalloy binder and magnets | 정의 |
| Gallium 핵심 광물 | Radar transmit-receive modules | 정의 |
| Hafnium 핵심 광물 | Superalloy and control rods | 정의 |
| Nickel 핵심 광물 | Superalloy for hot sections | 정의 |
| Rhenium 핵심 광물 | Single-crystal superalloy | 정의 |
| Titanium 핵심 광물 | Airframe and engine structure | 정의 |
| Antimony 핵심 광물 | Ammunition primers and flame retardants | 중요 |
| Beryllium 핵심 광물 | Optics and inertial guidance | 중요 |
| Germanium 핵심 광물 | Infrared optics | 중요 |
| Samarium 핵심 광물 | High-temperature magnets | 중요 |
| Tantalum 핵심 광물 | Superalloy and capacitors | 중요 |
| Tungsten 핵심 광물 | Penetrators and counterweights | 중요 |
| Yttrium 핵심 광물 | Thermal barrier coatings | 중요 |
| Scandium 핵심 광물 | High-strength aluminium alloy | 현재 |

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…
