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  • 1995-1999  (2)
  • 1960-1964  (29)
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  • 1
    Electronic Resource
    Electronic Resource
    THE CONSECUTIVE WÖHLER CURVE APPROACH TO DAMAGE ACCUMULATION (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 19 (1996), S. 0 
    Details
    ISSN: 1460-2695
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract— From the engineering point of view no reliable lifetime prediction method exists, which would enable the life expectancy of structures to be calculated with sufficient accuracy. One of the primary drawbacks of current approaches is their obvious inability to adequately include into an engineering calculation scheme basic knowledge of the microstructural response to cyclic loads during each of the stages of the fatigue process. This article gives a brief introduction into the Consecutive Wöhler Curve Approach which, it is suggested, is capable of predicting with enhanced accuracy fatigue life under varying amplitude conditions. The load interaction behaviour, which is intimately connected with the material's microstructure, is included through “fatigue functions” which are derived from two-step Wöhler tests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.1996.tb00974.x
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  • 2
    Electronic Resource
    Electronic Resource
    Silane. VII. Saure Solvolyse von halogensubstituierten Trimethylsilanen (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 331 (1964), S. 59-62 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The acid-catalysed solvolysis of (CH3)2(CH2X)SiH [X = Cl, Br, J], (CH3)2(CHX2)SiH [X = Cl] und (CH3)(CH2X)SiH [X = Cl] was determined in ethanol/water and the influence of substituents was compared by means of TAFTs constants σ*.
    Notes: Die säurekatalysierte Solvolyse von (CH3)2(CH2X)SiH [X = Cl, Br, J], (CH3)2(CHX2)SiH [X = Cl] und (CH3)(CH2X)SiH [X = Cl] wurde in Äthanol/Wasser gemessen und der Substituenteneinfluß mit den TAFT-Konstanten σ* verglichen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643310110
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  • 3
    Electronic Resource
    Electronic Resource
    Harnstoff-Addukte von Halogen-silanenProfessor Leopold Wolf zum 65. Geburtstage am 23. November 1961 gewidmet (1961)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 312 (1961), S. 322-331 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By reaction in a bomb tube several addition compounds of various halogenosilanes with urea, thiourea, N-methyl-urea N, N-dimethyl-urea and N-phenyl-urea could be prepared. From IR-spectra deductions about the linkage of these compounds were made.
    Notes: Durch Reaktion im Einschlußrohr konnten eine Reihe von Additionsverbindungen verschiedener Halogen-silane mit Harnstoff, Thioharnstoff, N-Methyl-harnstoff, N, N-Dimethylharnstoff und N-Phenyl-harnstoff dargestellt werden. Aus IR-Spektren wurden Schlußfolgerungen über den Bindungszustand dieser Addukte gezogen.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19613120512
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  • 4
    Electronic Resource
    Electronic Resource
    Polysilane. VI. Bildung von Polysilanen bei sterisch gehinderten Grignard-Reaktionen (1961)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 313 (1961), S. 107-116 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The GRIGNARD reaction between silicon halides and alkyl-Mg-halides with steric hindering alkyl groups does not run in the usual manner. Thus from SiBr4 and secondary or tertiary butyl—MgBr only the corresponding butyl-tribromosilanes (C4H9)SiBr3 could be prepared in low yields. To a great extent, there are side reactions which produce silanes with Si—H-bonds by developing butene (C4H8) and high molecular polysilanes with, Si—Si-bonds by cleaving off octane (C8H18).
    Notes: Die Grignard-Reaktion zwischen Silicium-halogeniden und Alkyl-Mg-halogeniden mit sterisch hindernden Alkylgruppen verläuft anormal. So konnten aus SiBr4 und sekundärem oder tertiärem Butyl—MgBr nur die entsprechenden Butyl-tribrom-silane (C4H9)SiBr3 in geringen Ausbeuten gewonnen werden. Es finden in großem Umfange Nebenreaktionen statt, die unter Abspaltung von Buten(C4H8) zu Silanen mit Si—H-Bindungen, sowie unter Entwicklung von Octan (C8H18) zu hochmolekularen Polysilanen mit Si—Si-Bindungen führen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19613130109
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  • 5
    Electronic Resource
    Electronic Resource
    Über Sulfatoborate (1962)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 314 (1962), S. 104-112 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By reaction of sulphates with boric acid and sulphur trioxide bis(sulphato)borates: MeI[B(SO4)2]2, MeII[B2O(SO4)2]2 and tris(sulphato)diborates: MeII[B2O(SO4)3], could be prepared. These substances are very hygroscopic and sensitive to hydrolysis. Probably they are ionic compounds with high-polymeric anions.
    Notes: Durch Umsetzung von Sulfaten mit Borsäure und Schwefeltrioxid wurden Bis-(sulfato)borate: MeI[B(SO4)2]2 und Tris(sulfato)diborate: MeII[B2O(SO4)3] gewonnen. Diese Substanzen sind stark hygroskopisch und äußerst hydrolyseempfindlich. Vermutlich handelt es sich um Salze mit hochpolymerem Anion.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19623140113
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  • 6
    Electronic Resource
    Electronic Resource
    Silane. VI. Alkalische Solvolyse und Umlagerung von halogensubstituierten Trimethylsilanen (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 331 (1964), S. 51-58 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The substances (CH3)2(CH2X)SiH [X = Cl, Br, J], (CH3)2(CHX2)SiH [X = Cl] und (CH3) (CH2X)2SiH [X = Cl] were solvolysed in alkaline ROH/H2O solutions [R = CH3, C2H5, n-C3H7]. The extent of the simultaneous rearrangement caused by alkali was determined.
    Notes: Die Substanzen (CH3)2(CH2X)SiH [X = Cl, Br, J], (CH3)2(CHX2)SiH [X = Cl] und (CH3) (CH2X)2SiH [X = Cl] wurden der alkalischer Solvolyse in ROH/H2O-Lösungen [R = CH3, C2H5, n-C3H7] unterworfen und das Ausmaß einer gleichzeitig verlaufenden durch die alkalische Reaktion hervorgerufenen Umlagerung bestimmt.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643310109
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  • 7
    Electronic Resource
    Electronic Resource
    Silane. II. Alkalische Solvolyse von Triorganosilanen, -germanen und -stannanen (1960)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 307 (1960), S. 105-108 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The reactivities of the Si—H-, Ge—H-, and Sn—H-bond regarding the alkaline solvolysis are investigated on equal conditions and compared. From this results a great solvolysis sensibility of the stannanes, a surprisingly great resistivity however of the germanes in alkaline solution. Silanes and stannanes have different reaction mechanisms of solvolysis.
    Notes: Die Reaktionsfähigkeiten der Si—H-, Ge—H- und Sn—H-Bindung bezüglich alkalischer Solvolyse werden unter gleichen Bedingungen untersucht und verglichen. Dabei ergibt sich wie erwartet eine hohe Solvolyseanfälligkeit der Stannane, dagegen eine Überraschend starke Resistenz der Germane in alkalischer Lösung. Silane und Stannane zeigen einen unterschiedlichen Reaktionsmechanismus der Solvolyse.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19603070114
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  • 8
    Electronic Resource
    Electronic Resource
    Über Siliciumoxalate und ihre Alkyl-DerivateProfessor RICHARD MÜLLER zum 60. Geburtstage am 17. Juli 1963 gewidmet. (1963)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 323 (1963), S. 228-238 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By reaction of SiCl4, RSiCl3, R2SiCl2 or R3SiCl with oxalic acid in solution of ether and benzene, respectively, substances of the definite compositions are prepared. The characteristics of them are described and the structure of the crystalline high-polymeric solids is discussed.
    Notes: Durch Umsetzung von SiCl4, RSiCl3, R2SiCl2 oder R3SiCl mit Oxalsäure in Äther- bzw. Benzol-Lösung werden Substanzen der definierten Zusammensetzung dargestellt. Ihre Eigenschaften werden beschrieben und die Struktur der kristallisierten hochpolymeren Festkörper wird diskutiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19633230504
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  • 9
    Electronic Resource
    Electronic Resource
    Silanole. V. Die thermische Kondensation von Diaryl-silandiolen (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 333 (1964), S. 76-89 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The reactions during the thermial treatment (200°C) of p-substituted diphenyl-silanediols are investigated. Besides the normal condensation of silanoles, a cleavage of Si—C bonds by means of silanolysis is found. The dependence of the partial reactions on the substituents of the organogroups is explored and interpreted by I- and M-effects.
    Notes: Die Reaktionsvorgänge bei der thermischen Behandlung (200°C) von p-substituierten Diphenyl-silandiolen werden untersucht. Neben der normalen Silanol-Kondensation wird eine Si—C-Spaltung durch Silanolyse festgestellt. Die Abhängigkeit der Teilreaktionen von den Substituenten der Organo-Gruppen wird bestimmt und durch I- und M-Effekte gedeutet.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19643330112
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  • 10
    Electronic Resource
    Electronic Resource
    Silane. I Alkalische Solvolyse von Triorganosilanen (1960)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 306 (1960), S. 180-190 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: By means of several trialkyl and differently substituted triphenyl silanes of the general formula R3SiH, systematic investigations on the hydrolysis velocity and its dependence from R have been undertaken. The rate constants show an evident and partly great gradation regarding the different model substances. From this, deductions are made about the character of the Si - H-bond and the reaction mechanism of solvolysis.
    Notes: An Hand einer Reihe von Trialkyl- und verschieden substituierten Triphenylsilanen der allgemeinen Formel R3SiH wurden systematische Untersuchungen über die Hydrolysegeschwindigkeit und deren Abhängigkeit vom Organorest R angestellt. Die Geschwindigkeitskonstanten zeigen eine deutliche und zum Teil sehr starke Abstufung im Verhalten der verschiedenen Modellsubstanzen. Hieraus werden Schlußfolgerungen über den Bindungscharakter der Si - H-Bindung und über den Reaktionsmechanismus der Solvolyse gezogen.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19603060306
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