Advanced Manufacturing Lab to build new collaborative hub for next-gen materials

Dec. 13, 2016- 
Lawrence Livermore National Laboratory and National Nuclear Security Administration (NNSA) officials, along with representatives from local government and industry, broke ground Friday on the Advanced Manufacturing Lab (AML), a modern collaborative hub for developing next-generation materials and manufacturing technologies.The $9.4 million, 13,000-square-foot facility will be located in the...

Lab-developed hydrogen sensors put to the test at Southern California refueling stations

Oct. 28, 2016- 
As hydrogen fuel cell cars become commercially available and hydrogen refueling stations slowly begin to proliferate throughout California, government agencies are turning to Lawrence Livermore National Laboratory to help detect leaks that could lead to fire. The South Coast Air Quality Management District (SCAQMD), the air pollution control agency for Orange County and major portions of Los...

3D printed metamaterial shrinks when heated

Oct. 24, 2016- 
Members of Lawrence Livermore National Laboratory’s Additive Manufacturing Initiative are among a group of researchers who have developed 3D printed materials with a unique property -- instead of expanding when heated, they shrink. In a study published in the Oct. 21 edition of the journal Physical Review Letters, LLNL engineers, along with scientists from the University of Southern...

Scientists explore use of 3D printing to speed up target production for testing material strength

Oct. 20, 2016- 
Advanced 3D printing promises to redefine manufacturing in critical industries such as aerospace, transportation and defense, and now, Lawrence Livermore National Laboratory is exploring the use of 3D printing to achieve unprecedented flexibility in producing "on-demand" targets for testing how materials behave under extreme conditions. Through an additive manufacturing process called two...

New study unlocks potential for ultra-lightweight and flexible 3D-printed metallic materials

July 18, 2016- 
Lawrence Livermore National Laboratory (LLNL) engineers have achieved unprecedented scalability in 3D-printed architectures of arbitrary geometry, opening the door to super-strong, ultra-lightweight and flexible metallic materials for aerospace, the military and the automotive industry. In a study published online July 18 in Nature Materials, LLNL engineers report building multiple layers of...

3D printing could revolutionize laser design

July 18, 2016- 
LLNL researchers are exploring the use of metal 3D printing to create strong, lightweight structures for advanced laser systems - an effort they say could alter the way lasers are designed in the future. In a Laboratory Directed Research and Development (LDRD) program, physicist Ibo Matthews and his team are experimenting with a new research-based metal 3D printer, one of only four of its...

'Sky's the limit' for latest graduates of the Laboratory's Machinist Apprentice Program

June 29, 2016- 
While he was working as a machinist in Oakland and taking classes at Laney College, Wesley Scoggins wanted to improve his skills to find a better job. In 2012, he answered a Craigslist posting for a slot in the Livermore Lab Engineering Directorate’s Machinist Apprentice Program. It was an opportunity he couldn’t pass up. "It’s really one of the only machinist apprenticeships left out there,"...

Lab engineers garner DOE tech transfer awards

June 28, 2016- 
The Department of Energy (DOE) recently announced the selection of two proposals from Lawrence Livermore National Laboratory (LLNL) researchers for grants under the department’s Technology Commercialization Fund (TCF), a program intended to help promising energy technologies move from national laboratories to the marketplace. DOE awarded LLNL engineer Brian Guidry a $432,000 grant for his...

Putting pressure on 3D-printed structures

June 27, 2016- 
Through a series of dynamic compression experiments on additively manufactured (AM) structured lattices, a Lawrence Livermore National Laboratory team, supported by colleagues at Los Alamos National Laboratory, has found that the assemblies have unique properties not exhibited by disordered cellular materials. During the experiment, elastic deflection of the structure occurred ahead of the...

Purpose and sacrifice mark offsite assignment

June 23, 2016- 
When Daryl Boyer was asked to lend his technical expertise to help shape the future of the U.S. nuclear deterrent, he knew it meant relocating to Omaha, Nebraska, without his parents and children. But the challenge called him and the timing was right. He acted decisively. Boyer is an LLNL engineer on assignment to the Global Strike Capabilities Division of the U.S. Strategic Command (STRATCOM...

Lawrence Livermore team improves 3D-printed graphene aerogel supercapacitors

June 16, 2016- 
Lawrence Livermore National Laboratory (LLNL) researchers, along with a team from UC Santa Cruz (UCSC), have devised a method for doubling the performance of 3D-printed graphene-based supercapacitors. The method, which involves sandwiching lithium ion and perchlorate ion between layers of graphene in aerogel electrodes, substantially improved the capacity of the electrodes while still...

'Human-on-a-chip' could replace animal testing

June 2, 2016- 
Development of new prescription drugs and antidotes to toxins currently relies extensively on animal testing in the early stages of development, which is not only expensive and time consuming, it can give scientists inaccurate data about how humans will respond to such agents. But what if researchers could predict the impacts of potentially harmful chemicals, viruses or drugs on human beings...

Lawrence Livermore discovery a 'big step forward' for metal 3-D printing process

May 25, 2016- 
Researchers at Lawrence Livermore National Laboratory (LLNL) have taken a major step toward answering a question plaguing a common metal 3-D printing technique: What interactions can lead to the porosity found in parts produced by laser powder-bed fusion processes?  In a paper published in the May 20 edition of the journal Acta Materialia online, LLNL researcher Ibo Matthews and his team...

3D-printed foam outperforms standard materials

April 27, 2016- 
Lawrence Livermore National Laboratory (LLNL) material scientists have found that 3D-printed foam works better than standard cellular materials in terms of durability and long-term mechanical performance.Foams, also known as cellular solids, are an important class of materials with applications ranging from thermal insulation and shock-absorbing support cushions to lightweight structural and...

New 3D printer unlocks 'mind-blowing' possibilities with electronics manufacturing

March 22, 2016- 
Installation of a highly advanced 3D printer for electronics at Lawrence Livermore National Laboratory has opened the door for creating miniature circuits on surfaces and substances that could never be used before.The Optomec Aerosol Jet 500 system, which became operational in January, is capable of printing circuits with a broad range of nanomaterials, allowing engineers to manufacture...

Researchers 3D print ultralight supercapacitors

Feb. 9, 2016- 
For the first time ever, scientists at Lawrence Livermore National Laboratory and UC Santa Cruz have successfully 3D-printed supercapacitors using an ultra-lightweight graphene aerogel, opening the door to novel, unconstrained designs of highly efficient energy storage systems for smartphones, wearables, implantable devices, electric cars and wireless sensors.Using a 3D-printing process...

Researchers outline physics of metal 3D printing

Jan. 14, 2016- 
While the most common method of metal 3D printing is growing exponentially, moving forward from producing prototypes to manufacturing critical parts will be possible only by reaching a fundamental understanding of the complex physics behind the process, according to a new paper authored by Lawrence Livermore National Laboratory (LLNL) researchers. The powder bed fusion process, also known as...

Researchers 3D-print with reactive materials

Dec. 16, 2015- 
Reactive composite materials are everywhere, from the life-saving air bags in your car to the dazzling pyrotechnics in Fourth of July fireworks. But one of the main drawbacks to using these materials has been the unpredictability of their reactions.Historically, the way to alter the performance in reactive materials (i.e. thermites) has been to either change the formulation, or to change...

Engineer develops 'leap forward' with 3D-printer

Dec. 11, 2015- 
Lawrence Livermore Lab engineer Bryan Moran wasn’t necessarily looking to improve on 3D printing technology when he moved over to Additive Manufacturing three years ago, but he may have done just that.Moran’s creation, a new take on a process called projection micro-stereolithography, which uses UV light to create 3D objects, won him a coveted R&D 100 award in Las Vegas on Nov. 13."It’s a...

Researchers 3D print 'living' blood vessels

Dec. 3, 2015- 
The cardiovascular system is a complex web of tens of thousands of miles of arteries, capillaries and veins, branching throughout the body like tributaries of a great river. And now, researchers at Lawrence Livermore National Laboratory are recapitulating this intricate network using an emerging technology: 3D bioprinting."It’s going to change the way we do biology," said Lab research...