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metal powder hazards

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Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006544
EISBN: 978-1-62708-290-7
... Abstract During metal powder production, powder and/or dust handling, compaction, and part finishing operations, many safety and environmental risks exist. This article is a detailed account of the types of safety hazards that can exist and the issues that occur during metal powder handling...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006960
EISBN: 978-1-62708-439-0
... materials in different forms, such as powder, filament, liquid, wires, and sheets. Each form of materials poses its hazards while processing or during storage and handling. Hazards Associated with Metal Powder Metal/polymer powders are used in a significant portion of the industrial AM processes...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006075
EISBN: 978-1-62708-175-7
... Abstract Health and safety are critically important issues, and there are numerous aspects of the production and use of metal powders that may entail exposure to hazardous conditions. This article provides a discussion on the issues associated with the safe production and handling of metal...
Image
Published: 15 June 2020
Fig. 12 Excerpt from safety data sheet listing hazards identification for metal powder More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006065
EISBN: 978-1-62708-175-7
... or bins or is loaded for bulk shipment in trucks or railroad cars. Because aluminum powder forms an explosive mixture with air over a wide range of metal-to-air ratios, aluminum powder plants have explosion hazards associated with them. The Alcoa process ( Fig. 1 ) incorporates several safety...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005717
EISBN: 978-1-62708-171-9
... collector should be sufficient to prevent powder from collecting in the duct. In general, duct air velocity is in the range of 1067 linear m/min (3500 ft/min). Accumulated dust is a fire and/or explosion hazard. Vendors of dust-collection equipment should be consulted to size the equipment...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
... care is taken, it is possible to create dangerous situations within an enclosure. An inert gas leak can displace the air, leading to an asphyxiation hazard. A fuel leak or buildup of an explosive metal powder can set up the possibility of a violent explosion. Thermal spray enclosures must be designed...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0005650
EISBN: 978-1-62708-177-1
... of extinguishers in a chemical laboratory are pressurized dry chemical type BC or ABC and carbon dioxide extinguishers. A specialized class D dry powder extinguisher is required for use on flammable metal fires. Water-filled extinguishers are not acceptable for use in chemical laboratories. Section V...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003691
EISBN: 978-1-62708-182-5
... of the Environmental Protection Agency and the Occupational Safety and Health Administration as well as the corresponding Code of Federal Regulation numbers. coating lining material surface preparation THE TOTAL NATIONAL YEARLY COST of metallic corrosion in the United States was estimated at $275 billion...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005757
EISBN: 978-1-62708-171-9
..., and mists can cause severe respiratory ailments. Powder/water spills can cause slippery floors. Mechanical pinch hazards exist from robots, turntables, automatic doors, and so on. Fire and explosions can result from fine etal powders and dust. Handling components manually or by crane, lifting...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005632
EISBN: 978-1-62708-174-0
... control (CNC), computer-aided design and manufacturing (CAD/CAM) modeling, and programming. The materials being delivered are typically in powder or wire form and can range from metals to plastics, composites, and ceramics. The most common materials used are plastics for three-dimensional (3-D) models...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005756
EISBN: 978-1-62708-171-9
... to hazards from flying particles, molten metal, acids or caustic liquids, chemical liquids, gases or vapors, bioaerosols, or potentially injurious light radiation, such as that produced by some lasers. The following precautions should be taken: Wearers of contact lenses must also wear appropriate eye...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006137
EISBN: 978-1-62708-175-7
... ed. , National Fire Protection Association , Quincy, MA 2. McKinley W. and Nayar H.S. , Safety Considerations in Sintering Atmospheres , Prog. Powder Metall. , Vol 35 , 1979 3. Dwyer J. Jr. , Hansel J.G. , and Philips T. , Temperature Influence...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006116
EISBN: 978-1-62708-175-7
... suggestions to promote and encourage the safety of those performing metallographic preparation and analysis. chemical etching drying ferrous powders grinding metallic specimens metallographic analysis metallographic preparation mounting polishing powder metallurgy sample selection sectioning...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005635
EISBN: 978-1-62708-174-0
... that arises directly from the area of melting metal. Unlike gases, fumes are metallic vapors that have condensed to a solid. They are often associated with a chemical reaction such as oxidation.) Personnel must also be trained to recognize safety hazards in all situations and environments...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006090
EISBN: 978-1-62708-175-7
... Abstract The primary market for metal powder is the production of powder metallurgy (PM) parts, which are dominated primarily by iron and copper powders. This article reviews the chemical and pyrotechnics applications of ferrous and nonferrous powders. It describes the characteristics of iron...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002156
EISBN: 978-1-62708-188-7
... dust, which can be a health hazard. Powders should not be reused, because the contaminated powder may clog the nozzle. Used powders should be disposed of in accordance with federal, state, and local regulations. Nozzle Tip Distance Nozzle tip distance, the distance between the nozzle tip...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... or zinc oxide, have low reflectivity to ultraviolet radiation. Color pigments may be added if they do not increase reflectivity. Pigments based on powdered or flaked metals are not recommended because they reflect ultraviolet radiation. Additional information is available in Ultraviolet Reflectance...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004125
EISBN: 978-1-62708-184-9
... of environmental regulations and hazardous materials, nonchromated pretreatments, waterborne technology, high-solids technology, and touch-up paints. The article also deals with the use of electrodeposition coatings, powder coatings, adhesive films, paint application equipment, and non-chromated sealants...