1,723,396 research outputs found
Log Sheet Bimbingan Kerja Praktek FADHLI MUAMMAR
Get PDFLog Sheet Bimbingan Kerja Praktek FADHLI MUAMMA
fadhli ilham's Quick Files
No full textThe Quick Files feature was discontinued and it’s files were migrated into this Project on March 11, 2022. The file URL’s will still resolve properly, and the Quick Files logs are available in the Project’s Recent Activity
fadhli ilham's Quick Files
No full textThe Quick Files feature was discontinued and it’s files were migrated into this Project on March 11, 2022. The file URL’s will still resolve properly, and the Quick Files logs are available in the Project’s Recent Activity
Analysis of the effect of bending, fatigue, erosion-corrosion and tensile stresses on HVOF coating of metallic surfaces
Get PDFThe aim of the present study was to evaluate the bending, fatigue, tensile stresses and erosion-coiTosion characteristics o f HVOF thermally sprayed Inconel-625 powder coatings when deposited on three different metallic surfaces: (a) plain stainless steel (SS), (b) spot-welded stainless steel (SW-SS), and (c) a composite surface o f stainless steel and carbon steel welded together (C-SS-CS) under three conditions: (i) surface as-coated, (ii) surface as-coated and subjected to aqueous static corrosion for two weeks, and (iii) surface as-coated and subjected to aqueous static corrosion for four weeks.
The predictions of the residual stresses generated during the deposition of the coating over the different metallic surfaces were also performed using analytical and numerical model studies. Validation o f the models was earned out by comparing the results to experimental data. The surface morphology and the elemental composition of the coatings before and after each test were examined using SEM and EDS techniques.
The results indicate that the presence of weld or having a composite substrate formed by two different materials does affect the residual stresses at the interface, as it lowers bending, tensile, fatigue strength and enhancing corrosion effect, as observed by the analytical and experimental analyses carried out in this research. Microscopic obseivation of the fractured surfaces showed that the cracks were formed at the interface between the coating and substrate material as well as within the coating. Presence of non-melted particles in the coating enhanced crack propagation and erosion rates. The presence o f oxides, namely AI2O3 at the interface between the coating and the substrate material left over from the surface preparation process also had an effect. Hence careful control is required when applying welds beneath surface coatings
Tanda WAQF dalam Al-Quran Al-Karim : analisis surah Al-Kahfi berdasarkan Rasm Uthmani / Ahmad Farid Fadhli Mustafa
Get PDFThis research is conducted in order to study and analyze the relationship between stops in reading in the Qur‟ān and signs in semantic knowledge. In this study, the author reveals the chronology of the publishing of the Qur‟ān by looking at the origin of it‟s writing through history. In this study, the author reviews places to stop reading the Qur‟ān by looking at it‟s use based in the views of the scholars, particularly in the field of Arabic, tajwid, history and others. Therefore the author uses the method of library research in this study, by extracting sentences containing stop signs of reading, in the Qur‟ān to be studied and analyzed. From the result of this study, the author found that there were 43 sentences that contained stop-signs from the Qur‟ān, out of 110 sentences in surah al-Kahf. The author also found that there were four stop-signs being used in reading the Qur‟ān. The overall result of the study, found that stop-signs used in reading the Qur‟ān had little to do with punctuation in common writing. It is seen that more attention was given to the continuation of the story without damaging the meaning in the sentence. Research like this is very important to be brought forward to the community so that they can understand the meaning of the Qur‟ān, exactly based on correct reading
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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