簡(jian)介(jie): 第三代稀土(tu)永磁(ci)(ci)(ci)(ci)釹(nv)(nv)鐵(tie)(tie)(tie)(tie)(tie)(tie)硼是(shi)(shi)當代磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)中(zhong)性(xing)(xing)能(neng)(neng)較(jiao)強的(de)(de)(de)(de)(de)(de)永磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)。它(ta)的(de)(de)(de)(de)(de)(de)BHmax值是(shi)(shi)鐵(tie)(tie)(tie)(tie)(tie)(tie)氧(yang)(yang)體磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)5-12倍(bei),是(shi)(shi)鋁(lv)鎳鈷磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)3-10倍(bei);它(ta)的(de)(de)(de)(de)(de)(de)矯頑(wan)力相當于鐵(tie)(tie)(tie)(tie)(tie)(tie)氧(yang)(yang)體磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)5-10倍(bei),鋁(lv)鎳鈷磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)5-15倍(bei),其潛在的(de)(de)(de)(de)(de)(de)磁(ci)(ci)(ci)(ci)性(xing)(xing)能(neng)(neng)極(ji)高(gao),能(neng)(neng)吸起(qi)相當于自身(shen)重(zhong)量640倍(bei)的(de)(de)(de)(de)(de)(de)重(zhong)物。由于釹(nv)(nv)鐵(tie)(tie)(tie)(tie)(tie)(tie)硼磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)主要(yao)原料(liao)鐵(tie)(tie)(tie)(tie)(tie)(tie)非(fei)常(chang)便(bian)宜(yi),稀土(tu)釹(nv)(nv)的(de)(de)(de)(de)(de)(de)儲藏量較(jiao)釤(shan)多(duo)(duo)10-16倍(bei),故(gu)(gu)其價格也(ye)較(jiao)釤(shan)鈷磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)低很(hen)多(duo)(duo)。釹(nv)(nv)鐵(tie)(tie)(tie)(tie)(tie)(tie)硼磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)機械(xie)性(xing)(xing)能(neng)(neng)比釤(shan)鈷磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)和鋁(lv)鎳鈷磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)都好,更易于切割(ge)和鉆(zhan)孔及復雜形狀(zhuang)加工。釹(nv)(nv)鐵(tie)(tie)(tie)(tie)(tie)(tie)硼磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)不足之處是(shi)(shi)其溫(wen)度性(xing)(xing)能(neng)(neng)不佳,在高(gao)溫(wen)下(xia)使用(yong)(yong)磁(ci)(ci)(ci)(ci)損失較(jiao)大,最(zui)高(gao)工作(zuo)溫(wen)度較(jiao)低。一(yi)般(ban)為(wei)80攝氏度左右,在經過特(te)殊處理的(de)(de)(de)(de)(de)(de)磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie),其最(zui)高(gao)工作(zuo)溫(wen)度可(ke)達200攝氏度。由于材料(liao)中(zhong)含(han)有大量的(de)(de)(de)(de)(de)(de)釹(nv)(nv)和鐵(tie)(tie)(tie)(tie)(tie)(tie),故(gu)(gu)容易銹(xiu)蝕也(ye)是(shi)(shi)它(ta)的(de)(de)(de)(de)(de)(de)一(yi)大弱點。所以釹(nv)(nv)鐵(tie)(tie)(tie)(tie)(tie)(tie)硼磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)必須進行表面涂層處理。可(ke)電(dian)鍍(du)鎳(Ni), 鋅(Zn), 金(Au), 鉻(ge)(Cr), 環(huan)氧(yang)(yang)樹(shu)脂(Epoxy)等(deng)。釹(nv)(nv)鐵(tie)(tie)(tie)(tie)(tie)(tie)硼磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie)目前廣(guang)泛應(ying)用(yong)(yong)于航(hang)空航(hang)天,電(dian)子,機電(dian),儀(yi)器(qi)儀(yi)表,醫療等(deng)領(ling)域(yu)。而且非(fei)技(ji)術領(ling)域(yu)使用(yong)(yong)也(ye)越來越廣(guang)泛,如吸附磁(ci)(ci)(ci)(ci)鐵(tie)(tie)(tie)(tie)(tie)(tie),玩具,首飾等(deng)。生產(chan)流程:配料(liao)---->熔煉---->制粉---->成(cheng)型---->燒結---->測試---->機械(xie)加工---->電(dian)鍍(du)---->磁(ci)(ci)(ci)(ci)化---->檢(jian)驗---->包(bao)裝(zhuang)性(xing)(xing)能(neng)(neng)表:
No. | Grade | Remanence Br | Coercive force bHc | Intrinsic coercive | Maximum energy product | Working temp | ||||||||||
KG | T | KOe | KA/m | KOe | KA/m | MGOe | KJ/m3 | °C | ||||||||
Nom. | Min. | Nom. | Min. | Nom. | Min. | Nom. | Min. | Nom. | Min. | Nom. | Min. | |||||
1 | N30 | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 9.8 | 836 | 780 | >= 12 | >= 955 | 30 | 28 | 239 | 223 | <= 80 |
2 | N33 | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.3 | 876 | 820 | >= 12 | >= 955 | 33 | 31 | 263 | 247 | <= 80 |
3 | N35 | 12.1 | 11.7 | 1.21 | 1.17 | 11.5 | 10.8 | 915 | 860 | >= 12 | >= 955 | 35 | 33 | 279 | 263 | <= 80 |
4 | N38 | 12.6 | 12.2 | 1.26 | 1.22 | 11.5 | 10.8 | 915 | 860 | >= 12 | >= 955 | 38 | 36 | 303 | 287 | <= 80 |
5 | N40 | 12.9 | 12.6 | 1.29 | 1.26 | 11.0 | 10.5 | 876 | 836 | >= 12 | >= 955 | 40 | 38 | 318 | 303 | <= 80 |
6 | N42 | 13.2 | 12.6 | 1.32 | 1.26 | 11.0 | 10.5 | 876 | 836 | >= 12 | >= 955 | 42 | 40 | 342 | 326 | <= 80 |
7 | N45 | 13.7 | 13.3 | 1.37 | 1.33 | 11.0 | 10.5 | 876 | 836 | >= 12 | >= 955 | 45 | 43 | 358 | 342 | <= 80 |
8 | N48 | 14.1 | 13.7 | 1.41 | 1.37 | 11.0 | 10.5 | 876 | 836 | >= 12 | >= 955 | 48 | 46 | 383 | 367 | <= 80 |
9 | N30M | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 9.8 | 836 | 780 | >= 14 | >= 1114 | 30 | 28 | 239 | 223 | <= 100 |
10 | N33M | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.3 | 876 | 820 | >= 14 | >= 1114 | 33 | 31 | 263 | 247 | <= 100 |
11 | N35M | 12.1 | 11.7 | 1.21 | 1.17 | 11.5 | 10.8 | 915 | 860 | >= 14 | >= 1114 | 35 | 33 | 279 | 263 | <= 100 |
12 | N38M | 12.6 | 12.2 | 1.26 | 1.22 | 11.5 | 10.8 | 915 | 860 | >= 14 | >= 1114 | 38 | 36 | 303 | 257 | <= 100 |
13 | N40M | 12.9 | 12.6 | 1.29 | 1.26 | 11.5 | 10.8 | 915 | 860 | >= 14 | >= 1114 | 40 | 38 | 318 | 303 | <= 100 |
14 | N42M | 13.2 | 12.9 | 1.32 | 1.29 | 11.0 | 10.5 | 876 | 836 | >= 14 | >= 1114 | 42 | 40 | 342 | 326 | <= 100 |
15 | N45M | 13.7 | 13.3 | 1.37 | 1.33 | 11.0 | 10.5 | 976 | 836 | >= 14 | >= 1114 | 45 | 43 | 358 | 342 | <= 100 |
16 | N48M | 14.1 | 13.7 | 1.41 | 1.37 | 11.0 | 10.5 | 876 | 836 | >= 14 | >= 1114 | 48 | 46 | 383 | 367 | <= 100 |
17 | N30H | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 9.8 | 836 | 780 | >= 17 | >= 1353 | 30 | 28 | 239 | 223 | <= 120 |
18 | N33H | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.3 | 876 | 820 | >= 17 | >= 1353 | 33 | 31 | 263 | 247 | <= 120 |
19 | N35H | 12.1 | 11.7 | 1.21 | 1.17 | 11.5 | 10.8 | 915 | 860 | >= 17 | >= 1353 | 35 | 33 | 279 | 263 | <= 120 |
20 | N40H | 12.9 | 12.6 | 1.29 | 1.26 | 12.0 | 11.5 | 955 | 915 | >= 17 | >= 1353 | 40 | 38 | 318 | 303 | <= 120 |
21 | N42H | 13.2 | 12.9 | 1.32 | 1.29 | 11.0 | 10.5 | 876 | 836 | >= 17 | >= 1353 | 42 | 40 | 342 | 326 | <= 120 |
22 | N45H | 13.7 | 13.3 | 1.37 | 1.33 | 11.0 | 10.5 | 876 | 836 | >= 17 | >= 1353 | 45 | 43 | 358 | 342 | <= 120 |
23 | N34AH | 11.6 | 11.0 | 1.16 | 1.10 | 11.3 | 10.5 | 900 | 836 | >= 32 | >= 2547 | 34 | 31 | 271 | 247 | <= 240 |
24 | N30SH | 11.2 | 10.8 | 1.12 | 1.08 | 10.5 | 9.8 | 836 | 780 | >= 20 | >= 1595 | 30 | 28 | 239 | 223 | <= 150 |
25 | N33SH | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.3 | 876 | 820 | >= 20 | >= 1595 | 33 | 31 | 263 | 247 | <= 150 |
26 | N35SH | 12.1 | 11.7 | 1.21 | 1.17 | 11.5 | 10.8 | 915 | 860 | >= 20 | >= 1595 | 35 | 33 | 279 | 263 | <= 150 |
27 | N38SH | 12.6 | 12.2 | 1.26 | 1.22 | 12.3 | 11.8 | 979 | 939 | >= 20 | >= 1595 | 38 | 36 | 303 | 287 | <= 150 |
28 | N40SH | 12.9 | 12.6 | 1.29 | 1.26 | 12.6 | 12.0 | 1003 | 955 | >= 20 | >= 1595 | 40 | 38 | 318 | 303 | <= 150 |
29 | N42SH | 13.2 | 12.9 | 1.32 | 1.29 | 11.0 | 10.5 | 876 | 836 | >= 20 | >= 1595 | 42 | 40 | 342 | 326 | <= 150 |
30 | N28UH | 10.8 | 10.4 | 1.08 | 1.04 | 10.2 | 9.8 | 812 | 780 | >= 25 | >= 1990 | 28 | 26 | 223 | 207 | <= 180 |
31 | N30UH | 11.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.1 | 844 | 804 | >= 25 | >= 1990 | 30 | 28 | 239 | 223 | <= 180 |
32 | N33UH | 11.7 | 11.4 | 1.17 | 1.14 | 11.0 | 10.3 | 875 | 820 | >= 25 | >= 1990 | 33 | 31 | 263 | 247 | <= 180 |
33 | N35UH | 12.1 | 11.7 | 1.21 | 1.17 | 11.5 | 10.8 | 915 | 860 | >= 25 | >= 1990 | 35 | 33 | 279 | 263 | <= 180 |
34 | N38UH | 12.6 | 12.2 | 1.26 | 1.22 | 12.0 | 11.4 | 955 | 908 | >= 25 | >= 1990 | 38 | 35 | 303 | 279 | <= 180 |
35 | N40UH | 12.9 | 12.6 | 1.29 | 1.26 | 12.4 | 11.8 | 987 | 940 | >= 25 | >= 1990 | 40 | 38 | 319 | 303 | <= 180 |
36 | N26EH | 10.4 | 10.0 | 1.04 | 1.00 | 10.2 | 9.6 | 812 | 764 | >= 30 | >= 2388 | 26 | 24 | 207 | 191 | <= 200 |
37 | N28EH | 10.8 | 10.4 | 1.08 | 1.04 | 10.4 | 9.8 | 811 | 780 | >= 30 | >= 2388 | 28 | 26 | 223 | 207 | <= 200 |
38 | N30EH | 12.2 | 10.8 | 1.12 | 1.08 | 10.6 | 10.1 | 844 | 804 | >= 30 | >= 2388 | 30 | 28 | 239 | 223 | <= 200 |
39 | N33EH | 11.6 | 11.2 | 1.16 | 1.12 | 11.0 | 10.4 | 876 | 828 | >= 30 | >= 2388 | 33 | 30 | 263 | 239 | <= 200 |
40 | N35EH | 12.1 | 11.7 | 1.21 | 1.17 | 11.5 | 10.8 | 915 | 860 | >= 30 | >= 2388 | 36 | 33 | 287 | 263 | <= 200 |
13858970905
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