RSS FeedsBoston's Big Dig: A Materials Failure
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New Medical Designs Power Metal Injection Molding
MIM is gaining ground because it combines functions in complex net shapes that require no finishing. A Parmatech part has tight tolerances and provides a 70-percent savings. Full Story
2008-08-25 04:35:57 EDT -
Caterpillar Uses New Tool to Reduce Steel Costs
Soaring costs are putting a new emphasis on cost reduction at major OEMs such as Caterpillar in Peoria, IL, which is recording savings of 5-7 percent with new software. Full Story
2008-08-25 03:06:28 EDT -
Powder Metal Parts Winners
Winners of the 2008 Powder Metallurgy Design Excellence Awards exhibit the cost savings and superior precision that can be attained through use of fine metal powders. Full Story
2008-08-10 20:00:00 EDT -
Come Together
Sure there are several new products that in addition to improved performance, reduce waste, reduce cost and/or specifically meet regulations. But looking closely at many of the newest adhesives and joining products reveals an easy-does-it side. Full Story
2008-08-07 20:00:00 EDT -
New Molding Systems Expand Options
There's an explosion in new materials and processing systems that expand the capability of engineers to design industrial products for demanding new applications. Full Story
2008-08-07 20:00:00 EDT -
Prefabricated Architecture: Engineering the Modern Home
An exhibition at the Museum of Modern Art shows how prefab houses increasingly make use of design and manufacturing technologies from the industrial world. Full Story
2008-08-05 09:46:03 EDT
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Big Dig Firm Pleads Guilty to Supplying Substandard Concrete
A federal judge has accepted a guilty plea this morning from Aggregate Industries NE Inc. for supplying 5,700 truckloads of substandard concrete used in Boston’s Big Dig project. The plea,... View Blog Post
2007-08-27 05:24:22 EDT -
Big Dig Epoxy Indictment: The Silly Season Starts
There’s no question in my mind that there was significant professional sloppiness involved in the supply of epoxy materials for the turnpike connector tunnel that experienced a catastrophic... View Blog Post
2007-08-08 10:46:07 EDT -
Boston’s Tobin Bridge is Falling to Pieces
A 57-year-old span of bridge in Boston is giving boaters a reason to panic. Over the past two weeks, debris falling from the Tobin Bridge has broken windshields and caused other damages to the... View Blog Post
2007-08-09 03:52:37 EDT -
Mini Mechatronics at MDM West
Maxon Motor USA continues to shrink the size of its integrated motors and feedback devices. Here at the Medical Design and Manufacturing Show West in Anaheim, CA, the company showed off a new 6-mm... View Blog Post
2007-02-15 07:00:03 EST -
Big Dig Epoxy Provider Facing Manslaughter Charge
Powers Fasterners Inc. of Brewster, NY is being charged with a single count of involuntary manslaughter in the death of a 38-year-old Boston woman. Massachusetts Attorney General Martha Coakley... View Blog Post
2007-08-08 08:27:18 EDT -
Big Dig Indictments Expected Today Against Powers Fasteners Inc. in Tunnel Collapse Tragedy
The Boston Globe is reporting that Massachusetts Attorney General Martha Coakley is expected to announce the indictment this afternoon of one of the companies involved with last summer’s Boston... View Blog Post
2007-08-08 08:14:08 EDT -
Big Dig Tunnel Ceiling Collapse Could Have Been Avoided
National Transportation Safety Board officials agreed today that the death of a 39-year-old woman in Boston’s I-90 Connector tunnel could have been avoided if routine inspections had taken... View Blog Post
2007-07-10 08:05:10 EDT -
Was Epoxy Used Appropriate for Loads
As the hearing continues the focus is on the type of epoxy used in the ceiling panels that collapsed in the Big Dig tunnel last summer. Following a presentation outlining the fundamentals of... View Blog Post
2007-07-10 04:43:13 EDT -
Big Dig Investigators Being Questioned by NTSB
Members of the NTSB are now questioning investigators about their report of the tunnel collapse. Questions are currently focused on the epoxy and anchors used to secure the ceiling panels that... View Blog Post
2007-07-10 03:54:48 EDT -
Epoxy Used to Secure Ceiling Allowed Bolts to Slip
Investigators are now saying the Big Dig tunnel collapsed because the epoxy used to secure the ceiling allowed bolts to slip or "creep" over time. The Boston Globe is reporting that... View Blog Post
2007-07-10 03:30:03 EDT -
Epoxy Faulted in Big Dig Collapse
A criminal investigation in Boston is focusing on inappropriate use of quick-setting epoxy as the explanation for a ceiling collapse in a Big Dig connector tunnel that resulted in a fatality last... View Blog Post
2007-05-03 00:03:01 EDT -
Boston's Big Dig leaking like a sieve
The four-year-old $14.8 billion Big Dig in Boston is up to its old tricks of behaving like a 70-year-old tunnel. The problem this time around are leaks, which are up 18% over last year after... View Blog Post
2007-07-02 03:04:11 EDT -
Big Dig Materials Failure
Across the Internet, engineers are discussing the situation with Boston's Big Dig/Central Artery Tunnel project and the materials failure which led to the death of a 39-year-old woman and the... View Blog Post
2006-07-26 09:14:40 EDT -
Boron-Rich HDPE Can Replace Concrete in Nukes
I’ve heard of several new plastics that make excellent metal replacements. But concrete? That’s a first for me. A hydrogen-rich polymer loaded with boron actually can replace concrete as... View Blog Post
2008-08-15 06:39:06 EDT -
Dreamliner Uses Metal Matrix Composite
Increasingly novel materials applications are emerging to provide lightweight thermal management functions in aircraft (such as the Boeing Dreamliner) and oher applications. One example is a metal... View Blog Post
2008-08-13 10:54:15 EDT
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Powder Metal Parts Winners
Winners of the 2008 Powder Metallurgy Design Excellence Awards exhibit the cost savings and superior precision that can be attained through use of fine metal powders. Full Review
2008-08-10 20:00:00 EDT
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