General Concepts 2 min read
Effects Of Grain Size
When a low-carbon steel is heated above the A3 temperature line (Fig. 4.2), for example, to hot rolling and forging…
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General Concepts 2 min read
HEAT TREATMENT AND HARDENING OF STEELS
Heat-treated, and hardened steels are sometimes required in building operations. The most familiar heat treatment is annealing, a reheating operation…
General Concepts 7 min read
Properties Of Structural Steels
Figure 4.3 shows a typical stress-strain curve for each classification of structural steels defined in Art. 4.40.4. The diagram illustrates…
General Concepts 6 min read
Steel And Steel Alloys
Iron and its alloys are generally referred to as ferrous metals. Even small amounts of alloy change the properties of…
General Concepts 3 min read
Plywood And Other Fabricated Wood Boards
As ordinarily made, plywood consists of thin sheets, or veneers, of wood glued together. The grain is oriented at right…
tissue engg 4 min read
Attractive new regenerative medicine tool uses magnets to shape and stimulate stem cells
The ultimate goal of tissue engineers who work in the regenerative medicine field is to replace damaged or diseased…
tissue engg 2 min read
Tracking and mapping the health of damaged organs
Tissue engineering Medical treatments for a variety of diseases have advanced dramatically in recent decades, but sometimes they…
tissue engg 5 min read
Swim Goggles in the Spinal Canal: How Medical Devices Get Built Faster and Smarter
A few years ago, Bryan Pukenas, MD, learned something old that led him to something new. The “something old” was a…
tissue engg 3 min read
Using Neural Tissue Engineering to Restore Brain Function and Form Bionic Connections
Restoring Brain Connections using Micro-Tissue Engineered Neural Networks (TENNs): Micro-TENNs are miniature preformed capsule-like constructs (shown above) that consist of…
tissue engg 5 min read
Whatever Happened To The Mouse With The Ear On Its Back?
Mouse lacking an immune system with an engineered ear on the back. You may have seen it in a textbook…
