精密合金
精密合金是指具有特殊物理性能的合金。它是電氣工業(yè)、電子工業(yè)、精密儀表工業(yè)和自動(dòng)控制系統(tǒng)中不可缺少的材料。
精密合金按其不同的物理性能又分為7類,即:軟磁合金、變形永磁合金、彈性合金、膨脹合金、熱雙金屬、電阻合金、熱電隅合金。
絕大多數(shù)精密合金是以黑色金屬為基的,只有少數(shù)是以有色金屬為基的。
應(yīng)用領(lǐng)域
+ 軟磁合金用于儀表的扼流圈鐵芯、儀器變壓器磁芯以及電感元件;
+ 永磁合金適用于電機(jī)轉(zhuǎn)子和磁針等元件;
+ 彈性合金適用于儀表機(jī)械濾波器等元件;
+ 膨脹合金適用于陶瓷器件和玻璃器件封接真空元件;
+ 電阻合金適用于儀器電阻元件。
Magnetically soft alloy is used for the iron-core choking coil of instrument, magnetic core of transformer and inductance components;
Permanent magnet alloy is used for motor rotor, magnetic needle and other components;
Elastic alloy is suitable for the filter of instrument and mechanism, etc.;
Expansion alloy is used for ceramic components and vacuum components of glass devices;
Resistive alloy is suitable for the components of resistance instruments.
產(chǎn)品類型 (Products type) | 棒材、帶材、管材、線材 | Bar, Strip, Pipe, Wire |
執(zhí)行標(biāo)準(zhǔn) (Executive standard) | GB/T15018精密合***號(hào) YB/T5251軟磁鐵芯 YB/T5252彈性元件 YB/T5261鉻鈷永磁 YB/T5259鎳鉻電阻 YB/T5260精密電阻 YB/T5231鐵鎳鈷玻封 YB/T5235鐵鎳鉻玻接 | GB/T15018 Designations YB/T5251 Soft magnetic core YB/T5252 Elastic component YB/T5261 Chromium-cobalt permanent magnet YB/T5259 Nickel-chromium resistance YB/T5260 Precision resistance YB/T5231 Iron-nickel-cobalt glass sealing YB/T5235 Iron-nickel-chromium glass joint |
系列牌號(hào) | 國(guó)外牌號(hào) | 中國(guó)牌號(hào) | 產(chǎn)品用途 |
Series grades | Foreign brands | Chinese brands | Product use |
軟磁系列(坡莫合金) Soft magnetic series | Hiperco50 | 1J22 | 電磁極頭,振動(dòng)膜,磁致伸縮 |
1J36 | 受介質(zhì),溫度,壓力條件的電磁閥 | ||
Permenorm 5000Z | 1J50 | 變壓器,繼電器,離合器鐵芯 | |
Ultraperm 10 | 1J79 | 弱磁場(chǎng)變壓器,扼流圈鐵芯或磁屏 | |
永磁系列 Permanent magnetic | 2J09 | 高磁場(chǎng)中磁滯電機(jī)轉(zhuǎn)子 | |
2J23 | 整體磁滯電機(jī)轉(zhuǎn)子 | ||
2J85 | 形狀復(fù)雜、尺寸小的永磁元件 | ||
彈性系列 Elastic series | 3J09 | 鐘表,定時(shí)器和各儀表彈性元件 | |
3J21 | 400℃以下儀表彈簧和儀表元件 | ||
膨脹系列 Expansion series | 因瓦合金系 Invar alloy system | 4J29 | 真空工業(yè)硬玻璃封接 |
可伐合金系 Kovar alloy system | 4J42 | 真空工業(yè)軟玻璃和陶瓷封接 | |
艾林瓦合金系 Ellingvar alloy series | 4J36 | 要求尺寸穩(wěn)定的儀器、儀表零件和諧振腔 | |
老牌號(hào) Old grades | 6J10 | 儀器,儀表電阻元件 | |
電阻系列 Resistance series | 改良型牌號(hào)Improved grades | 6J22 | 測(cè)量?jī)x器和儀表精密元件 |