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powder-binder ratio

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006021
EISBN: 978-1-62708-175-7
...Abstract Abstract This article discusses the process details of metal powder injection molding of microcomponents and the powder particle characteristics of feedstock and property requirements of binders. It reviews important characteristics to be considered in the processing steps: venting...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006141
EISBN: 978-1-62708-175-7
...-binder separation due to the high shear experienced during the molding process. A multicomponent binder viscosity in the range of 20 to 200 Pa · s has been successfully used in the MIM industry. Powder to Binder Ratio After a proper binder system and the desired inorganic powder to make...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006571
EISBN: 978-1-62708-290-7
...Abstract Abstract The highly irregular morphologies of ceramic powder particles due to their process history present a challenge to binder jetting additive manufacturing (BJ-AM) ceramic powder feedstock processability, but knowledge of powder metallurgy of ceramics benefits the development...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005503
EISBN: 978-1-62708-197-9
... to the mixture to allow filling of complex tool geometries. A favorite binder system relies on a mixture of paraffin wax and polypropylene, with a small quantity of stearic acid. The combination of powder and binder that works best gives a paste with approximately the same consistency as toothpaste...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... of a particular method. Methods of consolidation and constituents of powder formulation Table 1 Methods of consolidation and constituents of powder formulation Consolidation method Powder form Binder Lubricant Dispersant Others Uniaxial dry pressing Dry, agglomerated Yes Yes...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006052
EISBN: 978-1-62708-175-7
... is accomplished in steel-lined mills in the presence of WC-Co milling media, solvent, organic binder, and modifiers. Larger media, lower media-to-powder ratios, and higher solids loading are typically less effective at particle size reduction. Common solvents are water, heptane, alcohol, and acetone, used...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006056
EISBN: 978-1-62708-175-7
... Powders and Their Compounds Prior to Particle Size Analysis Rod Milling N/A B922 – Standard Test Method for Metal Powder Specific Surface Area by Physical Adsorption Better description of underlying principle of method N/A Source: Ref 1 Organic binders, lubricants, and surfactants...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006049
EISBN: 978-1-62708-172-6
... coatings, the ethyl silicate inorganic zinc-rich binders. Carboline Company still produces Carbozinc 11, the first commercially viable ethyl silicate zinc-rich coating material. Another is the National Aeronautics and Space Administration (NASA) high-ratio water-based potassium oxide (K 2 O) silicate...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001105
EISBN: 978-1-62708-162-7
... in which the powder particles are embedded in suitable organic binder or wax. To form complex or large shapes, the dry powder is placed in a pliable mold and compacted from all sides by hydrostatic pressure inside a sealed, reinforced steel cylinder. Powder Preparation The first step in the cermet...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005354
EISBN: 978-1-62708-187-0
... of the silicates vary according to the silica (SiO 2 )-soda (Na 2 O) ratio of the sodium silicate base that is used to formulate the binder. Liquid sodium silicates are commercially available with varying proportions of silica and sodium oxide and with wide ranges of viscosities. The most commonly used silicates...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005531
EISBN: 978-1-62708-197-9
... to 70 MPa (10 ksi) and then solidified into the part shapes. The mold material is a hard alloy, such as beryllium-copper, that has high conductivity for rapid heat removal. Fig. 11 The steps in powder injection molding In PIM, metal or ceramic particles are mixed into a polymer binder...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005242
EISBN: 978-1-62708-187-0
... in the amount of bond required. Rounded grains have a low surface-area-to-volume ratio and are therefore preferred for making cores because they require the least amount of binder. However, when they are recycled into the molding sand system, their shape can be a disadvantage if the molding system normally...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006862
EISBN: 978-1-62708-392-8
... because the nature of the interactions varies significantly with the density, size, shape, and wetting properties of the powders. The binder droplet/powder size ratio is critical for the wetting process in a typical binder jetting process. When the droplets are larger than the powder, the granulation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... of the transient additives (solvents, dispersants, binders, and the like). Selection of transient additives is dictated by the forming method and processing details (including cost). Table 4 lists some of these additives and their applications. Selected chemical additives used to optimize powder treatment...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... considerations, and quality assurance. The emphasis is on the design and metallurgical aspects for the two main types of metal AM processes: powder-bed fusion (PBF) and directed-energy deposition (DED). The article also describes the processes involved in binder jet sintering, provides information on the design...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006122
EISBN: 978-1-62708-175-7
... ). Tungsten Heavy Alloys The solubility of tungsten in nickel is relatively high, and for this reason, carbonyl nickel powder is a common binder in tungsten heavy alloys. To avoid the formation of brittle phases, carbonyl iron powder is typically added at a ratio of 7 parts nickel to 3 parts iron...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.9781627082907
EISBN: 978-1-62708-290-7
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006125
EISBN: 978-1-62708-175-7
..., commercial W-Ni-Cu alloys typically have binder formulations in the range 2 ≤ Ni/Cu ≤ 4. Significance of Ni/Fe ratio in W-Ni-Fe ternary WHAs Table 6 Significance of Ni/Fe ratio in W-Ni-Fe ternary WHAs Ni/Fe ratio Alloy characteristics and applications ≤1 The probability of brittle μ-phase...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003113
EISBN: 978-1-62708-199-3
... molding (MIM) process combines the structural benefits of metallic materials with the shape complexity of plastic injection molding technology. A uniform mixture of powder and binders is prepared and injected into a mold. The MIM powders are typically spherical in shape and much finer in particle size...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006579
EISBN: 978-1-62708-290-7
... alloys. The AM processes include binder jetting, ultrasonic additive manufacturing, directed-energy deposition, laser powder-bed fusion, and electron beam powder-bed fusion. The article presents a review of the literature and state of the art for copper alloy AM and features data on AM processes...