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Home  /   Forum   /   Koffiekamer   /   3D printing

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3D printing

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6.216 Posts
Pagina: «« 1 ... 306 307 308 309 310 311 »» | Laatste | Omlaag ↓
  1. Bob de Bouwer 59 28 februari 2023 19:37
    quote:

    mjmj schreef op 28 februari 2023 15:14:

    Zou het kunnen dat PP de liquiditeitsproblemen zag aankomen en dat hij daarom zoveel aandelen heeft verkocht om daarna mee te doen aan die emissie?
    Dat zou wel een logische en ook positieve beweegreden zijn. Door zelf mee te doen heeft hij wellicht andere investeerders erbij getrokken.
    Als wij dit foefje al doorzien dan hebben (nog) meer professionele geïnteresseerden dit ook. Het gaat erom of je geloof hebt in de verkoopbare producten van pyro en daar dan geld in wilt investeren oor de middellange termijn
  3. R dayhigh 13 maart 2023 13:42
    PyroGenesis Additive Expands European Strategy Team

    ceo.ca/@globenewswire/pyrogenesis-add...

    "is pleased to announce today that, further to its press release dated July 18, 2022, the Company has enhanced its expertise by retaining Mr. Olivier Dubois as the Company’s Principal Advisor for European Operations and Sales. Mr. Dubois is well known to the Company from his time at Aubert & Duval as VP Business Unit Metal Powders.

    Mr. Dubois is a highly experienced sales, marketing, and business process executive in the metal transformation industry, with deep knowledge of the Aerospace, Space and Defense Markets. Mr. Dubois was most recently at Aubert & Duval, a division of the French mining company Eramet, where he spent 6 years at the headquarter in Paris, France, first as Director of Sales for Aubert & Duval Forging Operations in India, then VP Business Unit Metal Powders for Additive and Chairman of the Board of Aubert & Duval Spain, and most recently as Project Officer for the Eramet Alloys Division"
  4. Sub!et 14 maart 2023 17:55
    Lachute, Québec--(Newsfile Corp. - March 14, 2023) - Québec Innovative Materials Corp. (CSE:QIMC) ("QI Materials" or the "Company") is pleased to announce that newly confirmed high purity silica samples have met the requirements for feedstock in HPQ Silicon Inc.'s ("HPQ") silicon-based battery material production in North America. The Company continues to move toward its main objective of developing the green economy as a supplier of high-grade silica in tandem with HPQ.

    PROCUREMENT OF QUARTZ MATERIAL

    As per the terms of the MOU between HPQ and QIMC (see September 14, 2022 news release), QIMC is to provide high grade silica for testing in HPQ's GEN3 PUREVAPTM Quartz Reduction Reactor ("QRR"). Silica samples from the Main Zone at the Charlevoix Project were delivered to HPQ in December 2022 and confirmed to be of high purity and in line with HPQ's compatibility requirements (see February 23 and January 27, 2023 news releases). HPQ has recently announced plans to build a silicon-based battery material production line in North America. QIMC will continue to support their shared objective of advancing the battery initiative to meet rapidly increasing demand. In an effort to accelerate the move to production, the Company continues to refine its purification methods for silica sand and continue discussions with potential buyers of silica materials.

    "With our GEN3 QRR pilot plant program moving forward combined with our newly launched battery initiative, it is important for HPQ to be able to focus its energies and resources on developing our ground-breaking technologies while QIMC advances it promising Charlevoix Quartz Project," said Mr. Bernard Tourillon, President and CEO of HPQ Silicon Inc. "As we gain traction producing and selling our silicon battery materials, we will also be strengthening the values of our QRR projects. Therefore, if all continues to advance as we hope, we can foresee a time when HPQ could be using QIMC quartz to produce Silicon with our Gen4 PUREVAPTM QRR systems."

    Additionally, the Company has entered into a Memorandum of Understanding ("MOU") with Ekopav, a Canadian company focused on innovative eco-friendly solutions for the paving industry. The MOU stipulates the procurement of a specific tonnage of silica sands from QIMC for Ekopav's manufacturing of commercial asphalt products. Either party may terminate the MOU after twelve (12) months without any obligation or liability to the other party. Silica materials used in production of asphalt products are not required to be metallurgical grade (98-98.9% Si). The Company is pleased to engage Ekopav as potential future purchaser of sub-metallurgical grade silica.

    "QI Materials now has potential customers for both our metallurgical and sub-metallurgical grade silica products. This is exciting as both potential customers share similar green-economy values and are in line with our vision of establishing a local supply chain." stated Raymond Wladichuk, CEO of QI Materials.

    quantisnow.com/insight/4197551
  9. forum rang 10 voda 24 maart 2023 08:55
    Researchers Produce17-4 PH Stainless Steel Using 3D Printer

    Researchers from the University of Wisconsin-Madison, the US Department of Commerce's National Institute of Standards and Technology (NIST), and the Advanced Photon Source (APS) at the US Department of Energy's Argonne National Laboratory have found a way to consistently produce 17-4 PH steel, a type of stainless steel with exceptional strength and corrosion resistance, using 3D printing techniques. Their findings have been published in the journal Additive Manufacturing.

    To achieve this breakthrough, the researchers used X-ray diffraction technology to monitor and direct the formation of the steel's structure during the printing process. This allowed them to determine its performance and retain all of its high-value characteristics. The PH in 17-4 PH steel stands for precipitation hardening, a heat treatment technique used to make malleable materials stronger. The numbers refer to the alloy's makeup: 17% chromium and 4% nickel. The steel includes nanoparticles that contribute to its signature strength.

    Traditionally, producing metal alloys using 3D printing has been challenging, as temperatures change rapidly during the printing process, making it difficult to observe the crystal structure of the atoms within the material. However, using the high-energy X-ray beams produced by the APS, the researchers were able to observe the microstructure development in real-time and make quick adjustments to the printing parameters to obtain the desired microstructure.

    The breakthrough could help manufacturers reduce costs and increase flexibility in producing high-performance alloys like titanium alloy and nickel-based superalloy using 3D printing. The researchers believe their results show how user facilities such as the APS can enable the US to have a competitive edge in advancing the next generation of advanced manufacturing technologies.

    "We hope our success with this study helps increase the industrial impact of the research coming out of American synchrotron user facilities such as the APS," said Fan Zhang, a physicist at NIST. "If we want to establish American leadership in advanced manufacturing, these facilities are a great asset. Additive manufacturing opens up the design space, allowing us to create complex parts that are often impossible when using conventional technologies. That's the true promise of this breakthrough."
  10. forum rang 10 voda 7 april 2023 08:22
    Gaudí uit de 3D-printer: nieuwe methode voor het printen van beton
    Artikel van admin • Gisteren om 10:21

    Een nieuwe techniek voor het 3D-printen van beton maakt het mogelijk veel lichtere en efficiëntere betonconstructies te ontwerpen.

    Gaudí uit de 3D-printer: nieuwe methode voor het printen van beton
    © Aangeboden door Change Inc.

    Onderzoekers van de Universiteit van Michigan hebben een nieuwe methode ontwikkeld om ultralichte, afvalvrije betonnen constructies te maken met behulp van 3D-printers. De nieuwe techniek zorgt voor milieuvriendelijkere én goedkopere betonconstructies.

    Betonnen constructies met 3D-printers maken gebeurt al langer – in 2021 bouwde een consortium onder leiding van de TU Eindhoven de eerste 3D-geprinte betonnen woning van Nederland. Maar bestaande technieken kunnen alleen evenwijdig aan het grondoppervlakte werken: de printers stapelen horizontale lagen beton bovenop elkaar. Dit beperkt het aantal mogelijke vormen en gebruikt meer beton dan nodig, stellen de onderzoekers.

    Dikke en dunnere stukken beton
    De nieuwe techniek maakt gebruik van ‘topologische optimalisering’, waarbij voor elk stukje beton wordt berekend hoe dik het moet zijn. Zo kunnen dragende delen van de constructie dikker worden gemaakt, en niet-dragende delen dunner. De onderzoekers stellen op deze manier met 72 procent minder beton te kunnen bouwen dan traditionele methodes waarbij het beton gestort wordt. Ook zorgt het precisie-niveau waarop het beton geprint wordt, dat er minder staal voor de bewapening nodig is.

    Het beperken van de hoeveelheid beton in constructies is geen overbodige luxe: de CO2-uitstoot van de cementindustrie is de afgelopen 20 jaar verdubbeld. Geschat wordt dat op dit moment de productie van beton goed is voor 4 tot 8 procent van de wereldwijde CO2-emissies.

    Uitbundige vormen
    Daarnaast maakt de nieuwe methode het mogelijk veel complexere en uitbundigere vormen te maken. Omdat het beton niet recht op elkaar hoeft te worden gestapeld, zijn allerlei draaiingen, golvingen en welvingen mogelijk. Het model dat de onderzoekers uit hun printer hebben laten rollen doet denken aan de organische, golvende vormen van Antoni Gaudí, de architect van de Sagrada Família in Barcelona. Naast allerlei sierlijke tierelantijntjes, kunnen met deze techniek ook delen van de constructie zelf worden geprint.

    Met sub-links:

    www.msn.com/nl-nl/nieuws/other/gaud%C...
    Bijlage:
  11. Sub!et 23 april 2023 00:58
    www.linkedin.com/posts/samhoustons_pr...

    The IOC and Rio Tinto Plasma Burner trial in Labrador City is an excellent project, and I am proud to be involved. As Rio Tinto says; “Research and development are a key part of our race to decarbonise too. We’re trialling a plasma burner in one of our furnaces – the first of its kind, which could help us eliminate heavy fuel oil (bunker-C) from the pelletizing process.” These three very capable and experienced women Marina van Zyl Alana Earle and Erin Duffett are leading this project, a project that could change IOC and Rio Tinto and help transition the industry to green steel.

  12. Sub!et 23 april 2023 09:49
    Lithium-ion battery performance has hit a plateau in recent years, but a breakthrough in technology promises new heights are soon to be in sight.
    Batteries made with silicon instead of graphite — the commonly used material in battery anodes today — have been shown to enable significantly higher energy density and faster charging.
    "Silicon anode has 10 times higher energy density than graphite," according to CEO Kang Sun of Amprius Technologies, one of the companies working on the technology.
    "We've demonstrated that we can charge to 80 percent in under six minutes," added Jon Bornstein, the company's chief operating officer. Amprius is already working with Airbus, the U.S. Army, AeroVironment and BAE Systems on early iterations of its silicon-anode batteries.
    Sila Nanotechnologies, which was started by a group of ex-Tesla battery engineers, is also working on silicon-anode technology. The company has been in the market since 2021 with its Titan Silicon product used in the WHOOP fitness tracker. It is now scaling into automotive production.
    "Our first automotive customer is going to be Mercedes," CEO and co-founder Gene Berdichevsky said. "They announced a supply agreement with us to put us in their electric vehicles and they're going to start with the iconic G Wagon."
    Porsche also plans to use silicon-anode technology in its vehicles, and has invested in Washington state-based Group14 Technologies.
    "The head of R&D for Porsche ... said, at Porsche, the soul of the vehicle has been the engine and the transmission ... they believe the next soul of the vehicle is going to be the battery cell," Group14 CEO and co-founder Rick Luebbe said.
    All three companies have announced plans to build domestic gigawatt-hour scale manufacturing facilities in the next few years. Funding support has come from the U.S. Department of Energy as part of President Biden's infrastructure bill to boost America's battery supply chains and production.

    www.cnbc.com/2023/04/22/why-porsche-m...
  13. forum rang 10 voda 3 mei 2023 07:37
    German Researchers 3D Print Large Steel Part

    In the world of 3D printing, researchers are constantly pushing the boundaries of what is possible. In May 2023, the XXL3DDruck project made a breakthrough in the development of additive manufacturing of extra-large metal components. With a joint effort from research institutes and companies in Germany's Lower Saxony region, they have successfully produced steel components weighing several tons with a giant 3D printer. Using laser assisted arc welding, the XXL printer is able to apply up to 3.2 kilograms of steel per hour and produce parts of a ship gearbox housing weighing up to 3 tons layer by layer.

    This new process has the potential to revolutionize manufacturing by reducing the use of material and energy compared to conventional methods. With 3D printing, individual molds are no longer needed, which eliminates an energy-intensive step in the manufacturing process. Additionally, material and weight can be saved by redesigning components with hollow walls, and laser-assisted arc deposition welding can implement individual, component, and customer-specific design requirements.

    Not only does XXL printing save resources during production, but it also has the potential to save resources during the operation of the ship. Essentially, if less material is used, the ship needs to accelerate less mass and uses less fuel. The long-term goal for production is to reduce manufacturing and procurement time and save raw materials such as steel by reducing the amount of material used per housing. With this breakthrough in additive manufacturing, the XXL3DDruck project is on its way to achieving these goals.
    Bijlage:
  14. Sub!et 10 mei 2023 19:52
    Anatomy of a Flagship Asset: HPQ Silicon’s (TSXV:HPQ) optimized silicon production technology
    Industrial, Market News, Technology
    TSXV:HPQ $78.54M

    Trevor Abes
    Markets Reporter
    trevor.abes@themarketherald.ca
    10 May 2023 09:30(EDT)

    Next up, HPQ Silicon (HPQ), a technology company developing silicon, fumed silica and hydrogen production processes to expedite global net-zero emissions by 2050.
    Green engineering with clear, value-added applications
    HPQ is well on its way to becoming a leading silicon producer with an ESG-centric approach offering tangible advantages compared to legacy players.
    Silicon
    Silicon is a semi-conductor material that, like all other energy metals, does not exist in its pure state and is incredibly costly to extract. The E.U. considers silicon a critical raw material for its wide-ranging role in modern technologies behind industrial and consumer products.
    Silicon demand is estimated to reach 3.8 million tonnes (MT) or US$20 billion by 2025 (CRU Group), with growth primarily driven by demand for chemical-grade silicon (99.5 per cent Si). The silicones product end market is growing at a 10.7-per-cent CAGR and expected to reach US$23 billion by 2025 (Markets and Markets).
    -
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    Future catalysts
    HPQ’s immediate next steps in its technological development include improving silicon production yield and final purity to appeal to battery manufacturers and other high-value industries.
    Its next test seeks to produce battery-grade silicon in one step, followed by the beginning of technical, economic and operational scaling feasibility studies for the PUREVAP QRR later this year.
    As previously mentioned, the company will break ground on its PUREVAP QRR commercial plant in 2024, with an estimated start of commercial production by 2026. It expects to use the initial 2,500 tonnes per year of high-purity silicon produced by the reactor as feedstock for a battery material production line.
    Following the onboarding of Novacium in Q3 2022 for R&D assistance and collaboration, HPQ is positioned to enhance its efforts in hydrogen and silicon powder manufacturing, as well as future-oriented innovations.
    HPQ’s timeline for fumed silica development can be viewed on slide 20 of its most recent investor presentation.
    The company’s future plans regarding silicon powders are laid out in slide 15 of its most recent investor presentation. To facilitate an early move toward production, HPQ and Novacium plan to build an initial 200 TPY production facility for micron-size silicon powders by 2024.
    Potential investors should analyze these ambitious plans with a realistic outlook of the multi-year testing success required to make them a reality. That said, given Investissement Québec’s 9.6-per-cent ownership stake in HPQ, the company’s strong technology partners, and the broad addressable markets overdue for innovation, its chances of satisfactory long-term returns merit the full breadth of your due diligence process.
    HPQ Silicon (HPQ) has gained over 144 per cent over the past 5 years, despite shedding nearly 50 per cent over the past year.

    themarketherald.ca/anatomy-of-a-flags...
6.216 Posts
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