A microscopic image of 3D-printed 17-4 stainless steel. The colors in the left-side version of the image represent the differing orientations of crystals within the alloy. 

For airliners, cargo ships, nuclear power plants and other critical technologies, strength and durability are essential. Therefore, many contain a remarkably strong and corrosion-resistant alloy called 17-4 precipitation hardening (PH) stainless steel. A team of researchers from the National Institute of Standards and Technology (NIST), the University of Wisconsin-Madison and Argonne National Laboratory has identified particular 17-4 steel compositions that, when printed, match the properties of the conventionally manufactured version. The researchers’ strategy is based on high-speed data about the printing process they obtained using high-energy X-rays from a particle accelerator. 

The 2022 Metal AM Outstanding Technical Paper Award has been selected, and this year's winning paper is "Microstructure and Mechanical Properties of FSLA Steel Produced by the Binder Jet Process” by Chris Schade, Tom Murphy, and Kerri Horvay, Hoeganaes Corporation. The paper was selected from among the highly qualified manuscripts that were presented at the AMPM2022 conference in Portland and critically evaluated for the prestigious award.

LIFT, the Detroit, Michigan-based Department of Defense manufacturing innovation institute, along with the Department of Defense (DOD), have launched two projects led by Boeing as part of the ongoing Hypersonics Challenge led by the institute, focusing on powder metallurgy refractory metal matrix composites and in-situ monitoring development for hypersonic systems.

Headlines:

Fire and Market Conditions Force Closing of Domtar Ridgway Plant 
Alcoa Buys APM From Barden
NCR Forms New Division -Seeks Outside Work
Monroe Expands P/M In-Plant Manufacturing
Valley Met Closes Essex Plant
Particulate Materials Patent Granted
Allis Tool Acquires Sonic Sifter Business from AlIen-Bradley
Patent Awarded for Carbide Material with Special High-Temperature Properties
Sintering Time Available
MPIF/APMI Officials Meet
APMI Launches Incentive Membership Campaign
New Employment Service for APMl'ers
P/M ’73 Exhibition
Canadian P/M '73 Sub-Committee Appointments
MPIF Fall Management Conference Program
P/M Journal Offers Special Advertising Opportunities
SME Powder Compacting Conference On November 14-15
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APMI Section News
P/M Part-of-the-Month

The 2022 Howard I. Sanderow Outstanding Technical Paper Award has been selected, and this year's winning paper is "Joining of Two-Piece Aluminum Metal Matrix Composite (Al-MMC) Transmission Carrier via Friction Stir Welding” by Logan Smith and Ian Donaldson, GKN Sinter Metals. The paper was selected from among the highly qualified manuscripts that were presented at the PowderMet2022 conference in Portland and critically evaluated for the prestigious award.

Comparison of the simulation results to the neutron imaging experimental data performed by the researchers (Courtesy Tremsin, AS; Gao, Y; Makinde, A; Bilheux, HZ; Bilheux, JC; An, K; Shinohara, T; and Oikawa, K, ‘Monitoring residual strain relaxation and preferred grain orientation of additively manufactured Inconel 625 by in-situ neutron imaging’)

Researchers from Oak Ridge National Laboratory (ORNL), Oak Ridge, Tennessee, University of California, Berkeley; General Electric Global Research Center, Niskayuna, New York; and Japan Atomic Energy Agency, Ibaraki, Japan, have released a paper studying neutron scattering to measure internal strain in additively manufactured samples before, during and after annealing. Controlling residual strain in metal parts manufactured via Laser Beam Powder Bed Fusion (PBF-LB) helps prevent cracks and failures. The research was published as ‘Monitoring residual strain relaxation and preferred grain orientation of additively manufactured Inconel 625 by in-situ neutron imaging’ in the journal Additive Manufacturing.

The MPIF/MPPA Standards Committee approved MPIF Standard 75 - Determination of Flow Rate of Metal Powders Using the Carney Flowmeter Funnel (available from MPIF in the 2022 edition of Standard Test Methods for Metal Powders and Powder Metallurgy Products), a new test method standard for measuring the flow rate of non-free-flowing metal powders using the Carney flowmeter funnel. To date, no Carney funnels have been calibrated for testing flow rate—they have only been supplied for testing the apparent density of non-free flowing metal powders. The committee has recently approved a standard calibration powder to be used to calibrate Carney funnels.

The U.S. Department of Commerce’s National Institute of Standards and Technology (NIST) has awarded $3.7 million in grants to help address current and future barriers to widespread adoption of metal additive manufacturing (AM) through measurement science research.

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Call-for-Papers PM2TEC '96 World Congress
PMT Certification Test on October 14 
Hoeganaes Offers Insulated Powders for Electromagnetic Applications
Sinter Metals Buys Swedish P/M Parts Maker
Drever to Deliver Powder Annealing and Reduction Furnace
Lonza Increases Acrawax Capacity
European Industry Recovers
Basic P/M Short Course
Advanced P/M Short Course
Cobalt 95 Conference
NCEMT Open House on September 27
MPIF Publication News
Anniversary Members Honored
Section Meeting Dates
People in the News
Dates to Remember

LEAP 1-B engine, courtesy of CFM International.

GE Aerospace has announced revenue rose by 27% in Q2 2022 thanks to new additive manufactured (AM) fuel nozzle-enabled engine sales. The revenue boost is thanks to its sale of over 200 CFM International LEAP-1B engines to major clients Delta Air Lines and Qatar Airways. The engines feature AM fuel nozzles that are 15% more fuel efficient than CFM56 alternatives. As part of the July 2022 agreement, the engines will soon be fitted to the customers’ fleets of Boeing 737-10 aircraft, allowing them to be more sustainable and reduce fuel consumption.