Results 131 to 140 of about 154,790 (287)

LeTourneau Overland Train, Artist's Drawing, L-ns1

open access: yes, 1950
Drawing of the LCC Overland Train, ultimately built for the U.S. Army by R.G.
R.G. LeTourneau, Inc.
core  

A Dislocation Perspective on Strength and Toughness in Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source

Triple Junctions as Dislocation‐Like Defects: The Role of Grain Boundary Crystallography Revealed by Experiment and Atomistic Simulation

open access: yesAdvanced Engineering Materials, EarlyView.
Grain boundary triple junctions are an essential ingredient of the microstructure of polycrystalline materials. In this study, a triple junction is observed using atomic‐resolution scanning transmission electron microscopy and characterized. Computer simulations reveal that the junction has a dislocation character that is determined by the joining ...
Tobias Brink   +4 more
wiley   +1 more source

Example of perspective drawing technique

open access: yes
"Problem number 25" Portions of the drawing have been done in colored ink or pencil.

core  

Technical Drawing Courses in Secondary Schools

open access: yes, 2009
There are indications that some teachers of drawing office based courses are concerned to relate technical drawing to the experience of the pupils both inside and outside the school and in particular to the practical work they may undertake in CDT ...
N/A, N/A
core  

Advanced Electron Microscopy and Microcomputed Tomography Analysis of Single‐Crystal Ni‐Base Superalloys After Short‐Term Multiaxial Creep

open access: yesAdvanced Engineering Materials, EarlyView.
This work studies the anisotropic behavior of circular notched tensile specimens of Ni‐base superalloy single crystals during high‐temperature tensile creep along [001], [110], and [111]. Correlative scale‐bridging imaging of specimens reveals early rupture along [110] because 1) plastic deformation proceeds faster at notch center; 2) more (brittle ...
Leonardo Agudo Jácome   +6 more
wiley   +1 more source

Defect Evolution and Mechanical Performance of Fused Filament Fabrication‐Manufactured 17‐4PH Stainless Steel Revealed by X‐Ray Computed Tomography

open access: yesAdvanced Engineering Materials, EarlyView.
X‐ray computed tomography reveals how process‐induced defects evolve from green to sintered states in Fused Filament Fabrication (FFF)‐manufactured 17‐4PH stainless steel. Internal porosity, weakest cross‐sections, and fracture locations show strong correlation with tensile performance, demonstrating the potential of computed tomography (CT)‐based ...
György Ledniczky   +3 more
wiley   +1 more source

Learning Technical Drawings

open access: yes
Abstract At some point along their journey, most tradespeople encounter technical drawings. These drawings constitute an important communication between those who work in offices, such as engineers and project managers, and those who work on the shop floor, such as welders and machinists. Typically, technical drawings contain at least a front,
openaire   +1 more source

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