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Journal of The Less Common Metals最新文献

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Über die Möglichkeit einer Mischungslücke in dem Na-Ga binären System 亚联二进制系统中可能出现的缺口
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90344-4
P. Feschotte
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引用次数: 3
Exchange interaction in rare-earth compounds of the type RCo4B RCo4B型稀土化合物的交换作用
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90358-B
J.P. Liu, F.R. de Boer, K.H.J. Buschow

The field dependence (up to 35 T) at 4.2 K of the magnetization of several compounds of the type R1−xYxCo4B (R = rareearth) has been studied. The magnetic isotherms at 4.2 K are analysed with a mean-field model. The magnetic coupling constant JRCo between the moments of the rare earth and cobalt in the Hamiltonian H = ∑RCo2JRCoSR · Sco are shown to be more reliable than the coupling constants derived from a mean field analysis of the Curie temperatures for these compounds.

研究了几种R1−xYxCo4B型化合物（R=稀土）在4.2K磁化强度下的场依赖性（高达35T）。用平均场模型分析了4.2K下的磁等温线。在哈密顿量H=∑RCo2JRCoSR·Sco中，稀土和钴的磁矩之间的磁耦合常数JRCo比通过对这些化合物的居里温度的平均场分析得出的耦合常数更可靠。
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引用次数: 15
Influence of adsorption and interfacial reactions induced by chromium and titanium on the wettability of vitreous carbon by NiPd brazing alloys 铬和钛的吸附和界面反应对NiPd钎焊合金玻璃碳润湿性的影响
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90346-6
P. Kritsalis, L. Coudurier, C. Parayre, N. Eustathopoulos

The influence of additions of chromium, titanium and CuCr on the wettability of vitreous carbon by NiPd azeotropic alloys was studied. The work was carried out at 1523 K under high vacuum by the sessile drop technique. The morphological and chemical features of the metal-carbon interface were determined by profilometry, scanning electron microscopy and microprobe analysis. Chromium and titanium active solutes lead to a decrease of more than 100° in contact angle and an order of magnitude increase in work of adhesion. These effects result from the in situ modification of both the liquid and solid sides of the interface: the formation of an adsorption layer rich in active solute on the liquid side and a metallic-like carbide on the solid side of the interface.

研究了铬、钛和CuCr的添加对NiPd共沸合金润湿性的影响。该工作是在1523K的高真空条件下，采用无柄滴技术进行的。通过轮廓术、扫描电子显微镜和微探针分析测定了金属-碳界面的形态和化学特征。铬和钛活性溶质导致接触角降低100°以上，粘附功增加一个数量级。这些影响源于界面的液体和固体侧的原位改性：在液体侧形成富含活性溶质的吸附层，在界面的固体侧形成类似金属的碳化物。
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引用次数: 6
The isothermal section (500 °C) of the phase diagram of the ternary system GeHoSi 三元体系GeHoSi相图的等温切片(500℃)
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90276-A
Y. Zhuang, Yiyou Nie, Junqin Li
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引用次数: 5
Mössbauer and magnetic properties study of Nd2Fe14C-type compounds Mössbauer及nd2fe14c型化合物的磁性能研究
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90352-5
F. Xing, W. Ho, Chunshen Yang, F. S. Li
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引用次数: 6
Preparation and hydriding properties of magnesium-containing hydrogen storage materials chemically deposited from a homogeneous phase 均相化学沉积含镁储氢材料的制备及其氢化性能
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90362-8
H. Imamura, Y. Usui, M. Takashima
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引用次数: 12
Caractéristiques mécaniques et chimiques des fibres de carbone protégées par un revêtement de carbure formé par dépôt chimique réactif 由化学反应沉积形成的碳化物涂层保护的碳纤维的机械和化学特性
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90348-8
H. Vincent, C. Vincent, M. Berthet, H. Mourichoux, J. Bouix
{"title":"Caractéristiques mécaniques et chimiques des fibres de carbone protégées par un revêtement de carbure formé par dépôt chimique réactif","authors":"H. Vincent, C. Vincent, M. Berthet, H. Mourichoux, J. Bouix","doi":"10.1016/0022-5088(91)90348-8","DOIUrl":"https://doi.org/10.1016/0022-5088(91)90348-8","url":null,"abstract":"","PeriodicalId":17534,"journal":{"name":"Journal of The Less Common Metals","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88565749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
SiS2-isostrukturelle Anionen [SiP22−], [GeAs22−] und [SnAs22−] in Alkaliverbindungen SiS2-isostrukturelle Anionen [SiP22−][GeAs22−]和[SnAs22−]Alkaliverbindungen
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90355-8
B. Eisenmann, J. Klein
{"title":"SiS2-isostrukturelle Anionen [SiP22−], [GeAs22−] und [SnAs22−] in Alkaliverbindungen","authors":"B. Eisenmann, J. Klein","doi":"10.1016/0022-5088(91)90355-8","DOIUrl":"https://doi.org/10.1016/0022-5088(91)90355-8","url":null,"abstract":"","PeriodicalId":17534,"journal":{"name":"Journal of The Less Common Metals","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86503426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Exchange interaction in rare-earth compounds of the type RCo4B RCo4B型稀土化合物的交换作用
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90358-B
J. Liu, F. D. Boer, K. Buschow
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引用次数: 15
Magnetic properties and structural characterization of the solid solution Er2 − xYxBaNiO5 (0 ≤ x ≤ 2) 固溶体Er2−xYxBaNiO5(0≤x≤2)的磁性及结构表征
Journal of The Less Common Metals
Pub Date : 1991-09-20 DOI: 10.1016/0022-5088(91)90357-A
R. Sáez-Puche, J. M. Martín-Llorente, J. M. Coronado
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引用次数: 5
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