Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


Plasma processes paving the way to high performance cutting tools

PVD coatings for sophisticated metal cutting operations benefit from the advanced state of development of plasma technology at Fraunhofer FEP.

Metal cutting operations play an especially important role in modern industrial production processes. Based on the tremendous development of multi-axis machine tools, cutting operations represent an ever increasing part of manufacturing process steps.

PVD-coatings for high performance cutting Tools

Instead of preparing specific tools and forms for different work pieces, these are produced in universal machining centers using CAD/CAM control and, in the course of time, a huge amount of cutting inserts.

To realize ever faster production and, at the same time, to guarantee an excellent quality level of the treated workpiece, the development of high performance cutting tools with tailored, wear-resistant coatings has become a key factor for the tool industry.

Multilayered PVD coatings ensure superior wear resistance even under severe cutting conditions. Tailored compositions and architecture of the coatings help to adapt them to tool materials and to the tool geometry used in specific cutting operations, as well as to the work materials to be treated. High power pulse magnetron sputtering (PMS) offers complete flexibility in developing such coatings, be it with respect to the coating material or to the coating architecture. This holds for both high speed and high precision cutting tools.

The pulsed magnetron sputtering process allows deposition of extremely dense and smooth layers free of droplets. By co-sputtering of different materials in a reactive gas atmosphere, a variety of layer compositions, including periodic and aperiodic sequences and graded transitions between individual layers can be synthesized. Single-phase nanocrystalline oxides especially show high thermal stability and chemical inertness. Utilizing advanced pulsed power supplies and a fast feedback control, ternary oxide coatings can also be deposited in long-term, stable deposition processes, resulting in pure single phase coatings. Intrinsic and thermally induced compressive stresses are moderate, and they enhance the wear resistance.

A highly effective plasma pretreatment guarantees excellent adhesion of the coatings. The flange-mounted plasma source LAVOPLAS has been developed to create a dense plasma in a volume corresponding to a typical industrial size batch coating device. It can be used for substrate etching as well as for plasma-activated deposition processes when a high flux of ions is required. The energy of the charged particles can be influenced by a substrate bias voltage to maximize the effect of the preferred ionization or excitation processes. In combination with high power pulsed sputtering, a unique technology sequence for the coating of tools with high-end layer-stacks is available.

Wear-resistant layers are just one example demonstrating the capabilities of plasma and electron beam processes developed at Fraunhofer FEP. You can find more details and a variety of other application examples on our website, or visit us at the EMO fair in Hannover, at stand no. 54, hall 13, from September 16 – 20, 2013. Together with other Fraunhofer partners we will demonstrate the benefits of advanced plasma techniques for the coating of tools and parts. We are looking forward to welcoming you and discussing your requirements.

Press contact:
Annett Arnold
Fraunhofer-Institut für Elektronenstrahl- und Plasmatechnik FEP | Phone +49 351 2586 452 |

Winterbergstraße 28 | 01277 Dresden | Gemany |

Annett Arnold | Fraunhofer-Institut
Further information:

More articles from Materials Sciences:

nachricht From ancient fossils to future cars
21.10.2016 | University of California - Riverside

nachricht Study explains strength gap between graphene, carbon fiber
20.10.2016 | Rice University

All articles from Materials Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: New 3-D wiring technique brings scalable quantum computers closer to reality

Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.

"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...

Im Focus: Scientists develop a semiconductor nanocomposite material that moves in response to light

In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.

A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...

Im Focus: Diamonds aren't forever: Sandia, Harvard team create first quantum computer bridge

By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.

"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...

Im Focus: New Products - Highlights of COMPAMED 2016

COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.

In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...

Im Focus: Ultra-thin ferroelectric material for next-generation electronics

'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.

Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...

All Focus news of the innovation-report >>>



Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

Agricultural Trade Developments and Potentials in Central Asia and the South Caucasus

14.10.2016 | Event News

World Health Summit – Day Three: A Call to Action

12.10.2016 | Event News

Latest News

Resolving the mystery of preeclampsia

21.10.2016 | Health and Medicine

Stanford researchers create new special-purpose computer that may someday save us billions

21.10.2016 | Information Technology

From ancient fossils to future cars

21.10.2016 | Materials Sciences

More VideoLinks >>>