Results 41 to 50 of about 930,463 (249)

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

THE DEVELOPMENT STRATEGY OF NAVY BASE AS A CARRIER IN THE ORDER OF IMPROVING THE STATE DEFENSE AT SEA

Russian Journal of Agricultural and Socio-Economic Sciences, 2021
Indonesia is the 7th largest country in the world with a very strategic location between the continents of Asia and the continents of Australia and the Pacific Ocean and the Indian Ocean. This condition provides an advantage as well as a vulnerability to
Zulkifli M., Fadli M., Nurjanah
doaj   +1 more source

How can learners identify conceptual obstacles ?

, 1997
Des situations de travail mettant en jeu une réflexion distanciée des élèves sur leurs propres procédures ont été expérimentées il y a quelques années, dans une perspective de développement de compétences méthodologiques.
Brigitte Peterfalvi, PETERFALVI, B.
core   +1 more source

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

Advanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati, Karthik Kumar Banku, Prasanth Bondi, Ivan Zhirnov, Yangyiwei Yang, Gordon Schmidt, Jürgen Christen, Georg Hasemann, Manja Krüger, Bai‐Xiang Xu, Bilal Gökce, Silja‐Katharina Rittinghaus   +11 more
wiley   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

Advanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

High‐Entropy Alloy Interlayers Toward Advanced Joining for High‐Performance Structural Applications: Current Progress and Emerging Challenges

Advanced Engineering Materials, EarlyView.
HEA interlayers offer a versatile route for joining high‐performance structural materials. Their compositional and structural design regulates interfacial reactions, suppresses brittle IMCs, and improves metallurgical bonding. Sandwich interlayers further integrate defect healing with precipitation strengthening, enabling improved strength–ductility ...
Lin Yuan, Jiafen Song, Jinglong Li, Jiangtao Xiong, Tao Yang   +4 more
wiley   +1 more source

Carrier-free nanomedicines: Mechanisms of formation and biomedical applications

Giant
In recent years, significant advancements in nanotechnology have yielded remarkable improvements in biomedical applications. Nanocarriers, harnessed from the principles of nanotechnology, have garnered widespread utilization in medicine delivery and ...
Xinrui Dong, Hu Liu, Haibao Liu, Xiaoqin Zhang, Xiaoran Deng   +4 more
doaj   +1 more source

Multiple-Carrier-Lifetime Model for Carrier Dynamics in InGaN/GaN LEDs with Non-Uniform Carrier Distribution (Supplementary Material)

Multiple-Carrier-Lifetime Model for Carrier Dynamics in InGaN/GaN LEDs with Non-Uniform Carrier Distribution (Supplementary Material)
Xuefeng Li, Elizabeth DeJong, Rob Armitage, and Daniel Feezell (17668002)
core   +1 more source

Rotary 3D Printing With Integrated Electroplating

Advanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria, Nicola Larovere, Moslem Mohammadi, Gianluca Percoco, Ali Zolfagharian, Gianni Stano   +5 more
wiley   +1 more source

Tourists and indigenous culture as resources: lessons from Embera cultural tourism in Panama

, 2022
eng: This groundbreaking book examines the relationship between power, culture and tourism in Latin America, the Caribbean, Europe, Africa, Australia and South East Asia.
Theodossopoulos, Dimitrios, Carrier, James G.   +1 more
core