KSIĄŻKI POWIĄZANE ZE SŁOWEM «PERMENDUR»
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Handbook of Charged Particle Optics, Second Edition - Strona 142
TABLE 4.2 The First Anisotropy Constant K1 of Iron and Iron–Cobalt Alloys Pure Iron (J/m3) 30% Co–Fe (J/m3) 50% Co–Fe (permendur) (J/m3) 4.8 × 104 3.5 × 104 0 × 104 (slow cooled) 1.3 × 104 (quenched) Source: From Hall, R.C., J. Appl.
2
Ferromagnetic Materials: A Handbook on the Properties of ...
Commercially important alloys based on this system are 2V-Permendur (White and Wahl 1932) and Super- mendur (Gould and Wenny 1957), containing 49% Fe, 49% Co and 2% V. Equiatomic alloys of Fe and Co containing 2-5% V (ex: ...
3
Electronics Design Materials - Strona 172
HV modulus MN/m” HV modulus MN/m2 MN/m” 49 Permendur 1230 400 0.34 620 240 O-33 24 Permendur 1080 350 0.33 540 170 O-32 Supermendur 1230 400 0.34 NOT APPLICABLE Table 6. The tensile properties of Permendur alloys.
William Frederick Waller, 1971
4
IWNMS 2004: Proceedings of the International Workshop on ...
The present article reports on the modifications of typically 75-nm thick permalloy and permendur films by Xe-ion irradiation and intends to compare the effects in these ferromagnetic alloys, having very different magnetostriction constants, with ...
D.R.S. Somayajulu, K.-P. Lieb, 2006
5
Review of Progress in Quantitative Nondestructive Evaluation: Volume 5A
The SNR for a piezoelectric transducer mounted on the far end of the Permendur bar (the metal with the largest magnetostrictive coefficient used here) is approximately five times greater in terms of linear voltage response. Finally, the coil ...
Donald O. Thompson, Dale E. Chimenti, 2013
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Woldman's Engineering Alloys - Strona 857
PERMENDUR 2-V* Bell Telephone Laboratories Iron cobalt soft magnet; Co 48.8; Fe 48.8; Mn 0.4; V1. 7. Sheet: 87,000 TS; 60,000 YS. For receiver diaphragms. PERMENDUR 24 Telcon Ltd., Specialty Alloys and Components Magnetically ...
7
Handbook of Modern Ferromagnetic Materials - Strona 142
COMMERCIAL AVAILABILITY OF SOFT COBALT-IRON MATERIALS The 2V Permendur (49% Co, 49%Fe 2%V) and Supermendur are available as strip in gages from .0005" to .004" for tape cores, cut cores and laminations. Hiperco 27 is ...
8
Design of small electrical machines - Strona 6
1.1.5 Special purpose alloys and high frequency laminations Iron-cobalt alloys (Permendur) offer the highest saturation flux density, typically 2.35 T. With regard to their use in electric machines, two grades are identified: 24 Permendur and 49 ...
9
Non-linear Electromagnetic Systems: ISEM '99 - Strona 615
As an application of the magnetostriction, this paper considers control of deflection and vibration of a beam which consists of the layers of the magnetostric- tive material, permendur and the non-magnetic material, copper. The exact behaviour ...
Paolo Di Barba, A. Savini, 2000
10
Magnetic Materials and Their Applications - Strona 430
By superposing a direct field of 800 A/m, the alternatingfield permeability obtained for Armco iron is 40/10 and that for Permendur, amounts to 200u0. There are two disadvantages to be set against the favourable properties of Permendur: the ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PERMENDUR»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
permendur w wiadomościach.
Branchez l'ATH-ESW11 Limited Edition
Ajoutons un circuit magnétique en Permendur (fer & cobalt) pour un son plus qualitatif, tandis que les écouteurs en noyer japonais avec coussinets en cuir ... «Ere Numérique, Lut 14»
铁三角ATH-AD2000X耳罩耳机--干净的节奏感
一般耳罩耳机的单体尺寸以40mm居多，但是AD2000X使用的动圈单体尺寸高达53mm，搭配Permendur铁钴合金磁力引擎，音圈绕线采用7N等级的OFC，也就是纯度 ... «音响网, Lis 13»
超越50年！直击铁三角2013新品试听会
作为旗舰，铁三角研发团队专门为ATH-AD2000X设计了Permendur波门杜尔铁钴合金单元，配合7N的OFC音圈，设计出了超顶级的53mm驱动单元，并重新设计了 ... «网易, Mar 13»
铁三角ATH-ESW11LTD热销4298元
... 克，其内部搭载新开发φ53mm口径驱动单元，带来饱满而温暖的音色，并采用具备优异磁气特性、拥有提升音质效果的Permendur (铁钴合金)与可表现出声音细腻之 ... «天极网, Mar 13»
极尽奢华铁三角ESW11LTD旗舰耳机到货
... 具备优异磁气特性、拥有提升音质效果的Permendur (铁钴合金)与可表现出声音细腻之处的「OFC6N音圈」，实现了承袭自本公司家用耳机「A」系列的最高峰音质。 «中关村在线, Mar 13»
馈赠佳品铁三角ATH-ESW11LTD上市
铁三角ATH-ESW11LTD耳机音色温暖，采用特别设计的53mm直径permendur铁钴合金磁性单元，搭配6N纯度的OFC无氧铜线圈，振膜为玻璃纤维混合材质，有助于 ... «天极网, Sty 13»
超越50年铁三角新品南京试听会圆满落幕
铁三角ATH-AD2000X空气动圈耳机，专用的53mm驱动器，采用了Permendur 波门杜尔铁钴合金和OFC-7N音圈，提供细致的音色重现，新设计的空气扩散控制，使 ... «汉丰网, Sty 13»
