《高矯頑力永磁材料高溫磁性能測量方法》標(biāo)準(zhǔn)編制說明（征求意見稿）展資料收集、調(diào)研和技術(shù)研究，形成了本標(biāo)準(zhǔn)《高矯頑力永磁材料高溫磁性能測量數(shù)的計(jì)算直接引用GB/T24270—2009執(zhí)行、應(yīng)在引言中添加高溫測量時(shí)若永磁體矯頑力下降到符合閉路測試條件則優(yōu)先采用GB/T24270進(jìn)行測量等建議。會(huì)后，蘭州交通大學(xué)、中國科學(xué)院力學(xué)研究所、桂林電器科學(xué)（2）標(biāo)準(zhǔn)要符合國內(nèi)生產(chǎn)企業(yè)和檢測機(jī)構(gòu)的實(shí)際情況，具有可操作（4）標(biāo)準(zhǔn)的格式按照GB/T1.1《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》中的各項(xiàng)規(guī)GB/T3217永磁(硬磁)材料磁性試驗(yàn)方法(IECGB/T24270-2009永磁材料磁性能GB/T29628-2013永磁（硬磁）圖1英國Hirst公司PFM14型脈沖磁場測磁儀5圖2比利時(shí)METIS儀器設(shè)備公司HyMPulse測磁儀6蘭州交通大學(xué)、中國科學(xué)院力學(xué)研究所、桂林電器科學(xué)研究院有限公司、包頭金山磁材有限公司、中國計(jì)量科學(xué)研究院等單位將max表1.同一樣品100℃下多次測量結(jié)果的重復(fù)性（樣品每次重新拿出放回）FilenameBr/kGsHcJ/kOeHcB/kOe(BH)max/MGOeHk/kOeHk/HcJ37138842UH12.0317.0911.4834.2315.4590.4%37138842UH12.0517.1211.4734.2615.5290.7%37138842UH12.0317.0511.4934.2515.5391.1%37138842UH12.0417.0411.4634.2115.4490.6%37138842UH12.0417.0811.4834.2515.4990.7%37138842UH12.0316.9111.4434.1115.3190.5%37138842UH12.0216.9411.4534.1115.2890.2%37138842UH12.0316.9611.4634.1415.2890.1%37138842UH12.0317.0011.4834.2215.4691.0%37138842UH12.0117.0311.5334.3515.6491.8%37138842UH12.0216.9711.4634.1515.3190.2%12.0517.1211.5334.3515.6491.8%12.0116.9111.4434.1115.2890.1%Mean12.0317.0211.4734.2115.4390.7%Spread40.85G202.8Oe94.02Oe247.8kGOe356.5Oe+/-0.2%0.6%0.4%0.4%0.9%表2.同一樣品150℃下多次測量結(jié)果的重復(fù)性（樣品每次重新拿出放回）FilenameBr/kGsHcJ/kOeHcB/kOe(BH)max/MGOeHk/kOeHk/HcJ384389B1out-i10.7016.7410.1626.9015.0790.0%384389B1out-i10.6916.5910.1326.7814.8489.5%384389B1out-i10.6916.6510.1426.8314.9389.7%384389B1out-i10.7116.7210.1326.8514.9289.2%384389B1out-i10.6816.6810.1926.9315.1590.8%384389B1out-i10.6916.6410.1726.8715.0290.3%384389B1out-i10.7016.6610.1426.8214.9089.5%384389B1out-i10.7116.6910.1326.8114.8689.1%384389B1out-i10.7016.6310.1326.8114.8589.3%384389B1out-i10.6916.6810.1726.8715.0590.2%10.7116.7410.1926.9315.1590.8%10.6816.5910.1326.7814.8489.1%Mean10.7016.6710.1526.8514.9689.7%Spread29.39G150.0Oe63.28Oe156.6Oe301.4Oe+/-0.1%0.4%0.3%0.3%-表3.同一樣品180℃下多次測量結(jié)果的重復(fù)性（樣品每次重新拿出放回）FilenameBr/kGsHcJ/kOeHcB/kOe(BH)max/MGOeHk/kOeHk/HcJ371388B2out-i10.1712.839.54324.1111.3488.4%371388B2out-i10.1712.859.53324.0811.2487.5%371388B2out-i10.1812.879.55224.1411.3988.5%371388B2out-i10.1612.829.56124.1311.3788.7%371388B2out-i10.1712.879.55224.1411.3988.5%371388B2out-i10.1812.849.53224.1011.3088.0%371388B2out-i10.1812.859.54224.1411.3188.0%371388B2out-i10.1312.909.64324.2711.6590.3%371388B2out-i10.1712.849.53724.1011.2988.0%371388B210.1512.759.54024.0611.2988.6%10.1812.909.64324.2711.6590.3%10.1312.759.53224.0611.2487.5%Mean10.1712.849.55324.1311.3688.4%Spread43.44G151.5Oe110.8Oe214.5kGOe413.9Oe2.9%+/-0.2%0.6%0.6%0.4%-表4.同一樣品采用兩支不同的高溫樣品桿測試結(jié)果的一致性對比（100℃)FilenameBr/kGsHcJ/kOeHcB/kOe(BH)max/MGOeHk/kOeHk/HcJ37138842UH12.0216.9811.4534.1115.2990.0%37138842UH12.0316.9811.4634.1715.4190.7%38438942UH12.0316.9711.4634.1415.4090.8%38438942UH12.0216.9811.4734.2015.4390.9%12.0316.9811.4734.2015.4390.9%12.0216.9711.4534.1115.2990.0%Mean12.0216.9811.4634.1615.3890.6%Spread8.440G15.37Oe25.86Oe90.32kGOe142.4Oe0.8%+/-0.035%0.045%0.1%0.1%0.5%表5.同一樣品采用兩支不同的高溫樣品桿測試結(jié)果的一致性對比（150℃)FilenameBrHcJHcB(BH)maxHk/HcJ11.2111.4510.1129.4710.1788.8%37138842UH37138842UH11.2011.4510.1229.5210.1888.9%11.2211.4410.0929.4310.1088.3%38438942UH38438942UH11.2011.4610.1429.5410.2189.1%11.2211.4610.1429.5410.2189.1%11.2011.4410.0929.4310.1088.3%Mean11.2111.4510.1229.4910.1688.8%Spread21.13G22.50Oe45.20Oe106.1kGOe108.4Oe0.8%+/-0.094%0.098%0.2%0.2%0.5%表6.同一樣品采用兩支不同的高溫樣品桿測試結(jié)果的一致性對比（180℃)FilenameBr/kGsHcJ/kOeHcB/kOe(BH)max/MGOeHk/kOeHk/HcJ384389B212.939.57024.2211.4588.6%384389B212.919.53724.1511.2887.3%371388B212.749.50223.9911.1287.3%371388B212.789.53624.0511.2688.1%12.939.57024.2211.4588.6%12.749.50223.9911.1287.3%Mean12.849.53624.1011.2887.8%Spread43.04G184.9Oe67.59Oe222.4kGOe324.4Oe+/-0.2%0.7%0.4%0.5%0.7%表7.本文本規(guī)定的開路高溫磁性能測量方法與GB/T24270-2009規(guī)定閉路測量方法的一致性對比樣品測量設(shè)備Br/kGsHcJ/kOeHcB/kOe(BH)max/MGOe測量溫度/℃42UH12.0216.9811.4534.14BH-tracer12.1017.1411.6434.89誤差值-0.66%-0.93%-1.63%-2.15%10.6616.4910.1226.67BH-tracer10.6716.5510.2827.19誤差值-0.09%-0.36%-1.56%-1.91%10.1712.849.55324.13BH-tracer10.1412.769.6824.35誤差值0.30%0.63%-1.31%-0.90%十四五規(guī)劃對磁性材料行業(yè)的高質(zhì)量發(fā)展做出了前瞻性的指引，我國將推動(dòng)磁性材的成本產(chǎn)生更多的單位功率