永磁材料高温磁特性检测

永磁材料高温磁特性检测项目报价？  解决方案？  检测周期？  样品要求？

点 击 解 答

GB/T 2900.4-2008电工术语.电工合金

本部分规定了电触头、热双金属、电热合金、导电合金、电阻合金、热电偶合金及磁性材料的专用电工术语。本部分适用于电触头、热双金属、电热合金、导电合金、电阻合金、热电偶合金及磁性材料等产品标准制定、编制技术文件，编写和翻译手册、教材、专著等书刊，以及对外贸易、技术交流等。

GB/T 19493-2004环境污染防治设备术语

本标准规定了环境污染防治设备的术语和定义。本标准适用于环境污染防治设备。

GB/T 30067-2013金相学术语

本标准界定了金相学和金相检验及其相关领域的术语,主要涵盖了光学显微术、显微压痕硬度测试、样品制备、X-射线和电子金相学、定量金相学、显微摄影术、晶粒尺寸和夹杂物含量的测定等金相学领域中广泛使用的专有名词。本标准适用于金相学领域中的科研、生产、检验、教学、出版、编制标准及国内外科技交流。

GB/T 50780-2013电子工程建设术语标准

1.0.1为规范电子工程建设的基本术语及其定义,实现术语标准化,制定本标准。1.0.2本标准适用于电子工程建设的规划、咨询、设计、工程监理、工程管理等工程服务以及教学、科研及其他相关领域。1.0.3电子工程建设文件、图纸、科技文献使用的术语,除应符合本标准外,尚应符合现行有关标准的规定。

HB/Z 302-1997民用飞机供电系统设计指南

本标准规定了民用飞机供电系统设计的要求，以满足飞机采用数字式电子设备的需要。\n　　本标准适用于民用飞机供电系统和新用电设备的研制。

JJF 1239-2010稀土永磁体磁性温度系数测量技术规范

本规范规定了稀土永磁块状材料在高温下温度系数的测量方法。

JB/T 6930-1993环境保护设备.术语

本标准规定了环境保护设备的术语及其定义，并对部分设备的基本特性和应用场合加以说明。 本标准给出的环境保护设备的术语共269条，按治理对象共分为空气污染治理装置、水污染治理装置、固体废弃物处理和综合利用装置及噪声控制装置等四部分。 本标准适用于编制环境设备标准，在编制其他标准中的术语部分以及编制环保教材中也应参照使用。

JB/T 7494-1994仪器仪表材料产品分类

本标准规定了引用标准、分类规则、产品分类。 本标准适用于仪器仪表材料产品，可作为计划、统计、管理、标准制订的依据。

JB/T 7742-2013磁力传动离心泵

本标准规定了磁力传动离心泵(以下简称“泵”)的术语和定义、型式与基本参数、技术要求、试验方法、检验规则、产品成套、标志、包装、运输、贮存、使用说明书。本标准适用于输送易燃、易爆、易挥发、有毒、有腐蚀性以及贵重液体的泵。本标准不适用于输送液体中含有磁性物质或有坚硬固体颗粒的泵。

JB/T 7743-2011旋涡泵

本标准规定了旋涡泵（以下简称泵）的型式、型号、基本参数、旋转方向、技术要求、试验和试验方法、检验规则、标志、使用说明书、包装、运输和贮存。本标准适用于输送不含固体颗粒、运动粘度不大于37.4 mm<上标 2>/s液体的机械密封泵和输送易燃、易爆、易挥发、有毒、有腐蚀性以及贵重液体的磁力传动泵。被输送液体的温度：机械密封泵为-20℃～120℃,磁力传动泵为-20℃～250℃。

DL/T 517-2012电力科技成果分类与代码

本标准规定了电力科技成果的分类与代码。本标准适用于电力科技成果的信息采集、存储、处理和交换及相关的管理工作。

ASTM A977/A977M-2002使用磁滞图的高矫顽力永磁材料磁性的标准试验方法

This test method is suitable for magnet specification, acceptance, service evaluation, quality control in magnet production, research and development, and design. When a test specimen is cut or fabricated from a larger magnet, the magnetic properties measured on it are not necessarily exactly those of the original sample, even if the material is in the same condition. In such instances, the test results must be viewed in context of part performance history. Tests performed in general conformity to this test method and even on the same specimen, but using different test systems, may not yield identical results. The main source of discrepancies are variations between the different test systems in the geometry of the region surrounding the sample, such as, size and shape of the electromagnet pole caps (see Annex A1 and Appendix X1), air gaps at the specimen end faces, and especially the size and location of the measuring devices for H and B or for their corresponding flux values (Hall-effect probes, inductive sensing coils). Also important is the method of B calibration, for example, a volt-second calibration of the fluxmeter alone versus an overall system calibration using a physical reference sample. The method of B and H sensing should be indicated in test reports (see Section 9).1.1 This test method describes how to determine the magnetic characteristics of magnetically hard materials (permanent magnets), particularly their initial magnetization, demagnetization, and recoil curves and such quantities as the residual induction, coercive fields, knee field, energy products, and recoil permeability. This test method is suitable for all materials processed into bulk magnets by any common fabrication technique (casting, sintering, rolling, molding, and so forth), but not for thin films or for magnets that are very small or of unusual shape. Uniformity of composition, structure, and properties throughout the magnet volume is necessary to obtain repeatable results. Particular attention is paid to the problems posed by modern materials combining very high coercivity with high saturation induction, such as the rare-earth magnets, for which older test methods (see Test Method A 341) are unsuitable. An applicable international standard is IEC Publication 404-5. 1.2 The magnetic system (circuit) in a device or machine generally comprises flux-conducting and nonmagnetic structural members with air gaps in addition to the permanent magnet. The system behavior depends on properties and geometry of all these components and on the temperature. The tests described here measure only the properties of the permanent magnet material. The basic test method incorporates the magnetic specimen in a magnetic circuit with a closed flux path. Test methods using ring samples or frames composed entirely of the magnetic material to be characterized, as commonly used for magnetically soft materials, are not applicable to permanent magnets.1.3 This test method shall be used in conjunction with Practice A 34/A 34M.1.4 The values and equations stated in customary (cgs-emu or inch-pound) or SI units are to be regarded separately as standard. Within this test method, SI units are shown in brackets except for the sections concerning calculations where there are separate sections for the respective unit systems. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with this test method.1.5 The names and symbols of magnetic quantities used in this test method, summarized in Table 1, are those currently preferred by U.S. industry......