Curve ya demagnetization, au BH Curve ni roboduara ya pili ya hysteresis kwa nyenzo ngumu za sumaku ikiwa ni pamoja na sumaku adimu za ardhi. Inatoa taarifa kuhusu sifa za sumaku za sumaku, ikiwa ni pamoja na nguvu ya uga wa sumaku na upinzani wa kupunguza sumaku. Hasa curve katika halijoto ya juu hutoa marejeleo muhimu kwa wahandisi kukokotoa na kujua nyenzo na daraja linalofaa la sumaku ili kukidhi mahitaji yao ya kufanya kazi. Kwa hivyo, tunakuandalia mikondo ya kupunguza sumaku katika halijoto kadhaa za juu za kufanya kazi kwa sumaku za Neodymium na sumaku za Samarium Cobalt mbele ya kila daraja linalopatikana. Tafadhali bofya kila seli kwa mikondo ya demagnetization mtawalia.
Mikondo ya Kupunguza sumaku kwa Sumaku za Sintered Neodymium hapa chini
Br (kGs) Hcj(kOe) | 10.4 | 10.8 | 11.3 | 11.7 | 12.2 | 12.5 | 12.8 | 13.2 | 13.6 | 14 | 14.3 | Kiwango cha Juu cha Uendeshaji. (°C) |
12 | N35 | N38 | N40 | N42 | N45 | N48 | N50 | N52 | 80 | |||
14 | N33M | N35M | N38M | N40M | N42M | N45M | N48M | N50M | 100 | |||
17 | N33H | N35H | N38H | N40H | N42H | N45H | N48H | 120 | ||||
20 | N33SH | N35SH | N38SH | N40SH | N42SH | N45SH | 150 | |||||
25 | N28UH | N30UH | N33UH | N35UH | N38UH | N40UH | 180 | |||||
30 | N28EH | N30EH | N33EH | N35EH | N38EH | 200 | ||||||
35 | N28AH | N30AH | N33AH | 230 |
Mikondo ya Kupunguza sumaku kwa Sumaku za Sintered Samarium Cobalt hapa chini
Br (kGs) Hcj(kOe) | 7.5 | 7.9 | 8.4 | 8.9 | 9.2 | 9.5 | 10.2 | 10.3 | 10.8 | 11 | 11.3 | Kiwango cha Juu cha Uendeshaji. (°C) |
15 | YX14 | YX16 | YX18 | YX20 | YX22 | YX24 | 250 | |||||
20 | YX14H | YX16H | YX18H | YX20H | YX22H | YX24H | 250 | |||||
8 | YXG26M | YXG28M | YXG30M | YXG32M | YXG34M | 300 | ||||||
18 | YXG22 | YXG24 | YXG26 | YXG28 | YXG30 | YXG32 | YXG34 | 350 | ||||
25 | YXG22H | YXG24H | YXG26H | YXG28H | YXG30H | YXG32H | YXG34H | 350 | ||||
15 | YXG22LT | 350 |