Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Mohamed Ahmed Nasr Shabara"'
Autor:
Mohamed Ahmed Nasr Shabara
Publikováno v:
MEJ. Mansoura Engineering Journal. 16:31-41
A technique has been presented which allows the use of small notched round-bar specimens without fallgue pre-cracking for the determination of the plane strain fracture toughness of engineering materials. The technique is based on the linear elastic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3a7bd2a067f74b1a2149f2f2298b649
https://doi.org/10.21608/bfemu.2021.188144
https://doi.org/10.21608/bfemu.2021.188144
Autor:
Mohamed Ahmed Nasr Shabara, M. A. Shaker, A. Es. Nassf, A. A. El-Domiaty, M. Es. Abdel-Moneim
Publikováno v:
MEJ. Mansoura Engineering Journal. 16:1-12
The study residual stresses due to machining is a very important facet industrial applications such as in aircraft of the components. End milling tests were performed on free machining brass plates. Compressive residual stresses were left within the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99ae92c48f0688b2a822fbf6a4f3c2f4
https://doi.org/10.21608/bfemu.2021.188102
https://doi.org/10.21608/bfemu.2021.188102
Publikováno v:
MEJ. Mansoura Engineering Journal. 6:21-30
A simple method of calculation of lateral critical speeds of flexible rotors with rigid supports is presents is presented. The method is mainly based on the former work of Myklestad and Prohl and considers the shaft to be divided into a number of fin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::520aa621d0ef8068a44e21c923efa563
https://doi.org/10.21608/bfemu.2021.182295
https://doi.org/10.21608/bfemu.2021.182295
Publikováno v:
MEJ. Mansoura Engineering Journal. 14:130-145
The paper presents a method for the determination of the vibration Spectra of planar mechanisms with arbitrary number of links, which are paired by arbitrary kinds of joints including clearanced turning joints. The mechanism frames may be supported w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4a6f5695a04a736baf824a5c4c09b49
https://doi.org/10.21608/bfemu.2021.172447
https://doi.org/10.21608/bfemu.2021.172447
Autor:
Mohamed Ahmed Nasr Shabara
Publikováno v:
MEJ. Mansoura Engineering Journal. 15:88-94
The presence of notches in engineering components generally weakens these components and leads to a reduction in their operational life. I order to ensure safety and reliability, It is necessary to be able to predict the role of the notches in govern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2e23447398362dc3f869e34bc7c28b6
https://doi.org/10.21608/bfemu.2021.170950
https://doi.org/10.21608/bfemu.2021.170950
Autor:
Hassan Sayed Mohamed Hedeya, Mohamed Ahmed Nasr Shabara, Ahmed Abd El-Fattah Mostafa El-Kiran, S. Abdel-Rasoul
Publikováno v:
MEJ. Mansoura Engineering Journal. 15:55-60
The mechanical properties of hot-and cold-rolled steels under various manufacturing conditions have been the subject of several investigations. Fracture toughness, an important design factor for the selection of materials and appropriate design stres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42160fe9d9d51c31feb7a52d0d2c3663
https://doi.org/10.21608/bfemu.2021.170782
https://doi.org/10.21608/bfemu.2021.170782
Publikováno v:
MEJ. Mansoura Engineering Journal. 20:33-52
Closed die forging of spur gears is investigated using the slab method and the upper bound technique. The tooth regions are approximated by prismatic rectangular sections. The velocity field comprising three unit deformation regions is used. A consta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f1043e23227c0264360f61bf8ccf9e4
https://doi.org/10.21608/bfemu.2021.160711
https://doi.org/10.21608/bfemu.2021.160711
Publikováno v:
MEJ. Mansoura Engineering Journal. 38:103-116
There are growing demands in the robot industry for light structures in order to increase the speed of the robot motion and thus the productivity. Size and shape optimization are carried out previously to achieve minimum traveling time of the robot a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95ba8fea5eb71dd470f4ff0f939b5eac
https://doi.org/10.21608/bfemu.2020.116706
https://doi.org/10.21608/bfemu.2020.116706