アルニコマグネット: 高性能マグネットの解説
人々が強力なマグネットを考えるとき、, ネオジム (希土類元素) がまず思い浮かぶことが多いです。. But long before neodymium dominated the market, there was Alnico—a magnet alloy that remains irreplaceable in high-temperature and precision applications. From electric guitar pickups to vintage sensors and aerospace components, Alnico magnets continue to play a vital role in modern engineering. Key Takeaways Alnico (aluminum-nickel-cobalt-iron) was the strongest permanent magnet before rare earths, and remains irreplaceable in high-temperature service — it operates up to 550 degC and keeps...

