scholarly journals Thermo-Mechanical Fatigue of Grey Cast Iron for Cylinder Heads - Effect of Niobium, Molybdenum and Solidification Time

2018 ◽  
Vol 925 ◽  
pp. 377-384 ◽  
Author(s):  
Peter Skoglund ◽  
Jessica Elfsberg ◽  
Nulifer Ipek ◽  
Lucian Vasile Diaconu ◽  
Mari Larsson ◽  
...  
Keyword(s):  
Mechanical Performance ◽  
Cyclic Stress ◽  
The Other ◽  
Solidification Time ◽  
Alloying Elements ◽  
Static Properties ◽  
Mechanical Fatigue ◽  
Other Hand ◽  
The Matrix ◽  
Grey Cast

Grey iron alloyed with molybdenum and niobium in seven different compositions has been casted using three, in industrial components viable, solidification times which resulted in 21 different samples. The samples have been investigated with respect to microstructure, static properties and thermo-mechanical fatigue performance. It was found that the solidification time is very important for both the static and thermo-mechanical performance. If the solidification time is long the properties are controlled entirely by the large graphite flakes and there is no influence of the alloying elements. On the other hand if the solidification time can be kept short the need for alloying elements may be removed. For the shorter solidification times an influence from the matrix and thus the alloying elements can be seen. It was found that molybdenum enhances TMF-life while no such effect was found for niobium. Niobium, on the other hand, has a larger effect on static strength than molybdenum and also on the cyclic stress in the thermo-mechanical fatigue experiments.

Adverbial clauses and V3

2019 ◽  
Vol 5 (s3) ◽  
Author(s):  
Eva Csipak
Keyword(s):  
Word Order ◽  
Speech Act ◽  
The Other ◽  
Order Effects ◽  
Matrix Clause ◽  
Other Hand ◽  
Pragmatic Analysis ◽  
The Matrix ◽  
Adverbial Clauses ◽  
Biscuit Conditionals

AbstractThis paper discusses word order effects in German adverbial clauses: often, the matrix clause can exhibit either V2 or V3 word order. I argue that adverbial clauses with V3 word order have an obligatory ‘biscuit’ interpretation and receive a speech act modifying interpretation, as has previously only been argued for ‘biscuit conditionals’. I show that this phenomenon holds more generally. On the other hand, a pragmatic analysis for V2 biscuit conditionals remains necessary.

INFLUENCE OF ION IMPLANTATION ON OXIDATION BEHAVIOR OF TiAl

2006 ◽  
Vol 20 (25n27) ◽  
pp. 4667-4672 ◽  
Author(s):  
MICHIKO YOSHIHARA ◽  
SHIGEJI TANIGUCHI
Keyword(s):  
Ion Implantation ◽  
Selective Oxidation ◽  
Oxidation Behavior ◽  
Complex Oxide ◽  
The Other ◽  
Alloying Elements ◽  
Implantation Technique ◽  
Other Hand ◽  
Initial Stage ◽  
Cu And Zn

The influence of alloying elements on oxidation behavior of TiAl has been investigated using an ion-implantation technique and the mechanisms were discussed. The influence can be classified into several groups according to their effects. The implantation of β-forming elements, halogens, Cu and Zn results in a significant improvement of the oxidation behavior through formation of Al 2 O 3 layer in the initial stage of oxidation. The improvement by Zn is attributed to the formation of complex oxide of Zn and selective oxidation of Al beneath the layer. The implantation of Al , Si or P is also effective. On the other hand, implantation of Ag , Se and other several elements enhance the oxidation. The deterioration by Ag or Se is explained in terms of Al depletion in the implanted layer.

Review on the Effect of Bottom Ash in Performance of Portland Cement Mortar

2015 ◽  
Vol 815 ◽  
pp. 164-169
Author(s):  
Ng Hooi Jun ◽  
Mohd Mustafa Al Bakri Abdullah ◽  
Kamarudin Husin ◽  
Soo Jin Tan ◽  
Mohd Firdaus Omar
Keyword(s):  
Mechanical Properties ◽  
Portland Cement ◽  
Mechanical Performance ◽  
Cement Mortar ◽  
Bottom Ash ◽  
The Other ◽  
Other Hand

Utilization and suitability of bottom ash in Portland cement have been increasing significantly in recent year. Bottom ash has substantial effects on mechanical properties with different composition of replacement in mixture of bottom ash and Portland cement. Bottom ash was used to determine the feasibility of the substitution as recycling product from industry depending on the percentage of the bottom ash. On the other hand, bottom ash offers a better solution for maintaining materials characteristic of Portland cement mortar and also provide beneficial mechanical performance. The result of using bottom ash in Portland cement mortar showed that it could make better the mechanical properties and hence disposed bottom ash wastes safely in technical, economic and environmental methods.

scholarly journals A supramolecular proposal of lignin structure and its relation with the wood properties

2009 ◽  
Vol 81 (1) ◽  
pp. 137-142 ◽  
Author(s):  
Heber S. Abreu ◽  
João V.F. Latorraca ◽  
Regina P.W. Pereira ◽  
Maria Beatriz O. Monteiro ◽  
Fábio A. Abreu ◽  
...  
Keyword(s):  
Wood Properties ◽  
The Other ◽  
Virtual Model ◽  
Structure Form ◽  
Wood Technology ◽  
Model Based ◽  
Other Hand ◽  
Science Discussion ◽  
The Matrix ◽  
Matrix Compound

In spite of the great importance of cellulose the lignin is considered the second most abundant substance of the wood. However, little attention has been given it, mainly to wood properties. The lignin as well as other structural compounds (cellulose and hemicelluloses), has obviously an important role on the wood properties, probably due its composition and existent bonds. In general lignins have β-O-4 (Alkyl Aril Ether) as majoritary bond. This bond in a continued structure form big molecules with spiral conformation as virtual model. Based on this idea, lignins that have high/low β-O-4 content may have differentiated spiraled structures,suggesting different behaviors on the wood properties,which shows that the lignins (Guaicyl:Syringyl (GS)) of angiosperms, for example, which have higher β-O-4 content would present higher spiral conformation than gymnosperms lignins(HG). On the other hand HG lignins have chance of being more anchored on the matrix compound than GS lignins. In this context, the β-O-4 bonds of lignins possibly affect the wood properties, therefore, it is considered relevant for wood technology science discussion.

scholarly journals Hidden Ekphrasis in the Works of Miroslav Krleža

2017 ◽  
Vol 11 (1) ◽  
pp. 118-133
Author(s):  
Nataša Lah
Keyword(s):  
Social Context ◽  
Art History ◽  
The Other ◽  
Literary Texts ◽  
Other Hand ◽  
Mise En Scene ◽  
The Matrix ◽  
Miroslav Krleza ◽  
The Rich ◽  
The One

Throughout the entire literary oeuvre of Miroslav Krleža we are faced with a great number of credible descriptions, describing real historic events, or real artists and artworks belonging to the rich resources of European art history. By applying a cryptographic method of incorporating descriptions into his texts, Krleža on the one hand hid his sources, while on the other also revealed them. He hid them in the tissue of fictional texts, and unmasked them using a key work only those familiar with the source could identify. We term this method the use of “belletristic cryptograms”, and can further categorise it into thematic subgroups of concealed artwork descriptions, naming this whole method the use of hidden ekphrasis. The choice of artworks Krleža describes in his work is comprehensive, diverse and each described differently. Since we are dealing with literary texts, descriptions are often used in the function of a wide array of interpretative strategies of depiction; in some aspects, they are used as a mere glimpse into a piece of art with the goal of visually associating, evoking or minutely symbolizing the incorporeal frame of an artist’s mind or of the wider social context. In other aspects, the artworks are richly and meticulously presented with regard to their importance and credibility as they, according to Krleža, possess an “ethical intelligence” and “ethical conscience”. Only Krleža’s prose is researched here, and this is done on two levels. We take a look at examples where real art is incorporated into fictional texts in order to determine the significance and meaning of a certain dialogue, mise-en-scène or situation. This is most commonly found in the author’s plays, novels and novellas. On the other hand, we can trace a completely opposite method by which artworks enter these texts, where, due to their historic determination and already established worth/status, they thus re-enter reality, as seen from the perspective of Krleža’s life and work, so as to yet again test art history’s credibility through the matrix of contemporaneity. This approach is most often found in Krleža’s essays, critiques and diary entries.

scholarly journals Organology of Dreams and Archi-Cinema (

2016 ◽  
Vol 24 (47) ◽  
Author(s):  
Stiegler Bernard
Keyword(s):  
The Other ◽  
The Unconscious ◽  
The Third ◽  
Other Hand ◽  
The Matrix ◽  
History Of ◽  
Cinematic Time ◽  
The One

Stiegler argued in Cinematic Time and the Question of Malaise (the third volume of Technics and Time) that we must refer to archi-cinema just as Derrida spoke of archi-writing. In this article he proposes that in principle the dream is the primordial form of this archi-cinema. The archi-cinema of consciousness, of which dreams would be the matrix as archi-cinema of the unconscious, is the projection resulting from the play between what Husserl called, on the one hand, primary and secondary retentions, and what Stiegler, on the other hand, calls tertiary retentions, which are the hypomnesic traces (that is, the mnemo-technical traces) of conscious and unconscious life. There is archi-cinema to the extent that for any noetic act – for example, in an act of perception – consciousness projects its object. This projection is a montage, of which tertiary (hypomnesic) retentions form the fabric, as well as constituting both the supports and the cutting room. This indicates that archi-cinema has a history, a history conditioned by the history of tertiary retentions. It also means that there is an organology of dreams.

Effects of alloying elements on thermoelectric properties of ReSi1.75

2003 ◽  
Vol 793 ◽  
Author(s):  
Min Wook Oh ◽  
Jia-Jun Gu ◽  
Kosuke Kuwabara ◽  
Haruyuki Inui
Keyword(s):  
Electrical Resistivity ◽  
Temperature Dependence ◽  
Thermoelectric Property ◽  
Thermoelectric Properties ◽  
Binary Alloy ◽  
Figure Of Merit ◽  
The Other ◽  
Alloying Elements ◽  
Dimensionless Figure Of Merit ◽  
Other Hand

ABSTRACTS:The thermoelectric properties as well as microstructure of binary and some ternary ReSi1.75 have been investigated. Binary ReSi1.75 exhibits a nice thermoelectric property as exemplified by the high value of dimensionless figure of merit (ZT) of 0.70 at 800 °C when measured along [001], although the ZT value along [100] is just moderately high. Mo substitution for Re in ReSi1.75 considerably increases the ZT value along [001] because of the decreased electrical resistivity, while the property improvement is not significant along [100]. On the other hand, Al and Ge substitutions for Si in ReSi1.75 considerably increase the ZT value along [100]. This is also because of the decreased electrical resistivity. When Al is added to ReSi1.75, the value of electrical resistivity is significantly reduced when compared to the binary counterpart and the temperature dependence of electrical resistivity changes from of semiconductor for the binary alloy to of metal for the Al-added alloys.

Design of Balcony from the Point of View of Daylighting

2014 ◽  
Vol 899 ◽  
pp. 298-301
Author(s):  
Lenka Gábrová
Keyword(s):  
Fire Safety ◽  
Point Of View ◽  
The Other ◽  
Main Function ◽  
Visual Comfort ◽  
Static Properties ◽  
Exterior Space ◽  
Other Hand ◽  
Thermal Bridges ◽  
Building Physics

Balconies are horizontal overhanging structures whose main function is a connection between interior and exterior space. Moreover, they increase an area of a room and they also can have a presentable, architectural and aesthetic purpose. There are a lot of requirements on the balconies, for example the requirements on static properties, thermal bridges, railings or fire safety. From the point of view of building physics, we can consider the balcony as the fixed shading construction which can reduce overheating in a shaded room during the summer but on the other hand the balcony can influence visual comfort in the room in a negative way. This article presents a comparison and an evaluation of the daylight factor in the rooms which are shaded by balconies. The influence of the balconies on the daylight factor is assessed in dependence on a length of the balcony (a balcony overhang) and dimensions of the room which the balcony shades.

Note on a problem of Porte

1968 ◽  
Vol 64 (1) ◽  
pp. 1-1 ◽  
Author(s):  
George Rousseau
Keyword(s):  
Propositional Calculus ◽  
The Other ◽  
Characteristic Matrix ◽  
Finite Characteristic ◽  
Other Hand ◽  
Intuitionistic Propositional Calculus ◽  
The Matrix ◽  
Image Position

Porte (1), p. 117, conjectures that the positive implicational propositional calculus has no finite characteristic matrix. The proof of this conjecture is a straightforward modification of Gödel's proof (2) that the intuitionistic propositional calculus has no finite characteristic matrix (see e.g. Church(3), ex. 26.12). Writing (A ∨ B) for ((A ⊃ B) ⊃ B) and Xij for (pj ⊃ pi) (i, j = 1,2,…), we define, for n > l, the formulawhere the terms associate to the left. Since provable formulae take the value n for all systems of values of the variables in the matrix {1,…,n} where x ⊃ y is n when x ≤ y and y otherwise, whereas Gn takes the value n − 1 for the system of values pi = i (i = 1,…,n), it follows that Gn is not provable. On the other hand, since A ⊢ A ∨ B and B ⊢ A ∨ B, it is easily seen that is provable whenever r ≠ s (r, s = 1,…,n). The result follows from these two remarks.

scholarly journals Hidden Ekphrasis in the Works of Miroslav Krleža

2017 ◽  
Vol 11 (1) ◽  
pp. 118-133
Author(s):  
Nataša Lah
Keyword(s):  
Social Context ◽  
Art History ◽  
The Other ◽  
Literary Texts ◽  
Other Hand ◽  
Mise En Scene ◽  
The Matrix ◽  
Miroslav Krleza ◽  
The Rich ◽  
The One

Throughout the entire literary oeuvre of Miroslav Krleža we are faced with a great number of credible descriptions, describing real historic events, or real artists and artworks belonging to the rich resources of European art history. By applying a cryptographic method of incorporating descriptions into his texts, Krleža on the one hand hid his sources, while on the other also revealed them. He hid them in the tissue of fictional texts, and unmasked them using a key work only those familiar with the source could identify. We term this method the use of “belletristic cryptograms”, and can further categorise it into thematic subgroups of concealed artwork descriptions, naming this whole method the use of hidden ekphrasis. The choice of artworks Krleža describes in his work is comprehensive, diverse and each described differently. Since we are dealing with literary texts, descriptions are often used in the function of a wide array of interpretative strategies of depiction; in some aspects, they are used as a mere glimpse into a piece of art with the goal of visually associating, evoking or minutely symbolizing the incorporeal frame of an artist’s mind or of the wider social context. In other aspects, the artworks are richly and meticulously presented with regard to their importance and credibility as they, according to Krleža, possess an “ethical intelligence” and “ethical conscience”. Only Krleža’s prose is researched here, and this is done on two levels. We take a look at examples where real art is incorporated into fictional texts in order to determine the significance and meaning of a certain dialogue, mise-en-scène or situation. This is most commonly found in the author’s plays, novels and novellas. On the other hand, we can trace a completely opposite method by which artworks enter these texts, where, due to their historic determination and already established worth/status, they thus re-enter reality, as seen from the perspective of Krleža’s life and work, so as to yet again test art history’s credibility through the matrix of contemporaneity. This approach is most often found in Krleža’s essays, critiques and diary entries.

Sign in / Sign up

Export Citation Format

Share Document