{"id":3876,"date":"2024-03-18T06:10:10","date_gmt":"2024-03-18T06:10:10","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/best-in939-powder-for-3d-printing-in-2023\/"},"modified":"2024-03-18T06:10:10","modified_gmt":"2024-03-18T06:10:10","slug":"best-in939-powder-for-3d-printing-in-2023","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/pl\/product\/best-in939-powder-for-3d-printing-in-2023\/","title":{"rendered":"Best IN939 Powder for 3D Printing in 2023"},"content":{"rendered":"

<\/p>\n

Overview of IN939 Powder for 3D Printing<\/strong><\/h2>\n

IN939 is a high-performance nickel-based superalloy powder designed for additive manufacturing of critical components needing exceptional mechanical properties at high temperatures. This article provides a comprehensive guide to IN939 powder for 3D printing applications across aerospace, automotive, energy and industrial sectors.<\/p>\n

Key aspects covered include IN939 composition, properties, print parameters, applications, specifications, suppliers, handling, inspection, comparisons to alternatives, advantages and limitations, and frequently asked questions. Quantitative data is presented in easy-to-reference tables.<\/p>\n

Composition of IN939 Powder<\/strong><\/h3>\n

IN939 has a complex precipitation hardening alloy composition:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Element<\/th>\nWaga %<\/th>\nCel<\/th>\n<\/tr>\n<\/thead>\n
Nikiel<\/td>\nR\u00f3wnowaga<\/td>\nPrincipal matrix element<\/td>\n<\/tr>\n
Chrom<\/td>\n15 – 18<\/td>\nOdporno\u015b\u0107 na utlenianie<\/td>\n<\/tr>\n
Aluminium<\/td>\n3.8 – 4.8<\/td>\nUtwardzenie wydzieleniowe<\/td>\n<\/tr>\n
Tytan<\/td>\n0.9 – 1.4<\/td>\nUtwardzenie wydzieleniowe<\/td>\n<\/tr>\n
Kobalt<\/td>\n12 – 15<\/td>\nSolid solution strengthening<\/td>\n<\/tr>\n
Tantal<\/td>\n3.8 – 4.8<\/td>\nForma z w\u0119glik\u00f3w spiekanych<\/td>\n<\/tr>\n
W\u0119giel<\/td>\n0.05 – 0.15<\/td>\nForma z w\u0119glik\u00f3w spiekanych<\/td>\n<\/tr>\n
Bor<\/td>\n0.006 – 0.012<\/td>\nGrain boundary strengthener<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Trace quantities of zirconium, magnesium and sulphur are also added for enhanced properties.<\/p>\n

Properties of IN939 Powder<\/strong><\/h3>\n

IN939 possesses an exceptional combination of properties:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Nieruchomo\u015b\u0107<\/th>\nOpis<\/th>\n<\/tr>\n<\/thead>\n
bardzo wysoka wytrzyma\u0142o\u015b\u0107<\/td>\nExcellent tensile and creep rupture strength up to 1050\u00a1\u00abC<\/td>\n<\/tr>\n
Stabilno\u015b\u0107 cieplna<\/td>\nStrength maintained up to 1000\u00a1\u00abC<\/td>\n<\/tr>\n
Creep resistance<\/td>\nHigh stress-rupture life at high temperatures<\/td>\n<\/tr>\n
Odporno\u015b\u0107 na utlenianie<\/td>\nForms protective Cr2O3 oxide scale<\/td>\n<\/tr>\n
Thermal fatigue resistance<\/td>\nResists cracking during thermal cycling<\/td>\n<\/tr>\n
Phase stability<\/td>\nMicrostructure stable after prolonged exposures<\/td>\n<\/tr>\n
Odporno\u015b\u0107 przeciwkorozyjna<\/td>\nResistant to hot corrosion, oxidation, sulfidation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The properties enable use under extreme thermal and mechanical loads.<\/p>\n

3D Printing Parameters for IN939 Powder<\/strong><\/h3>\n

Typical AM processing parameters for IN939 include:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nWarto\u015b\u0107 typowa<\/th>\nCel<\/th>\n<\/tr>\n<\/thead>\n
Layer thickness<\/td>\n20-50 \u00c3\u2014 m<\/td>\nRozdzielczo\u015b\u0107 a szybko\u015b\u0107 kompilacji<\/td>\n<\/tr>\n
Moc lasera<\/td>\n250-500 W<\/td>\nSufficient melting without evaporation<\/td>\n<\/tr>\n
Pr\u0119dko\u015b\u0107 skanowania<\/td>\n800-1200 mm\/s<\/td>\nDensity vs production rate<\/td>\n<\/tr>\n
Rozstaw w\u0142az\u00f3w<\/td>\n100-200 \u00c3\u00d7m<\/td>\nW\u0142a\u015bciwo\u015bci mechaniczne<\/td>\n<\/tr>\n
Support structure<\/td>\nMinimalny<\/td>\nEasy removal<\/td>\n<\/tr>\n
Prasowanie izostatyczne na gor\u0105co<\/td>\n1160\u00a1\u00abC, 100 MPa, 3h<\/td>\nEliminacja porowato\u015bci<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Parameters are optimized for attributes like density, microstructure, build rate, and post-processing requirements.<\/p>\n

Applications of 3D Printed IN939 Parts<\/strong><\/h3>\n

Additively manufactured IN939 components serve critical applications including:<\/p>\n\n\n\n\n\n\n\n\n
Przemys\u0142<\/th>\nElementy<\/th>\n<\/tr>\n<\/thead>\n
Astronautyka<\/td>\n\u0141opatki turbin, kierownice, komory spalania<\/td>\n<\/tr>\n
Generacja energii<\/td>\nHot gas path parts, heat exchangers<\/td>\n<\/tr>\n
Motoryzacja<\/td>\nTurbocharger wheels, valves<\/td>\n<\/tr>\n
Przetw\u00f3rstwo chemiczne<\/td>\nPumps, valves, reaction vessels<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Benefits over conventionally processed IN939 include complex geometries and reduced lead time.<\/p>\n

Specifications of IN939 Powder for 3D Printing<\/strong><\/h3>\n

IN939 powder for AM must meet exacting specifications:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nSpecyfikacja<\/th>\n<\/tr>\n<\/thead>\n
Wielko\u015b\u0107 cz\u0105stek<\/td>\n15-45 \u00c3\u00d7m typowo<\/td>\n<\/tr>\n
Kszta\u0142t cz\u0105stki<\/td>\nSferyczna morfologia<\/td>\n<\/tr>\n
G\u0119sto\u015b\u0107 Nasypowa<\/td>\n> 4 g\/cc<\/td>\n<\/tr>\n
G\u0119sto\u015b\u0107 usypu<\/td>\n> 6 g\/cc<\/td>\n<\/tr>\n
Przep\u0142yw w hali<\/td>\n> 23 s dla 50 g<\/td>\n<\/tr>\n
Czysto\u015b\u0107<\/td>\n>99,9%<\/td>\n<\/tr>\n
Zawarto\u015b\u0107 tlenu<\/td>\n<100 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tighter tolerances, custom size distributions, and controlled impurity levels available.<\/p>\n

Suppliers of IN939 Powder<\/strong><\/h3>\n

Reputable suppliers of IN939 powder include:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Dostawca<\/th>\nLokalizacja<\/th>\n<\/tr>\n<\/thead>\n
Sandvik Osprey<\/td>\nWielka Brytania<\/td>\n<\/tr>\n
Carpenter Additive<\/td>\nUSA<\/td>\n<\/tr>\n
Praxair<\/td>\nUSA<\/td>\n<\/tr>\n
AP&C<\/td>\nKanada<\/td>\n<\/tr>\n
Erasteel<\/td>\nSzwecja<\/td>\n<\/tr>\n
AMETEK<\/td>\nUSA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pricing for IN939 powder ranges from $110\/kg to over $220\/kg based on quality and order volume.<\/p>\n

Handling and Storage of IN939 Powder<\/strong><\/h3>\n

As a reactive powder, careful handling of IN939 is needed:<\/p>\n

    \n
  • Store sealed containers in a cool, inert atmosphere<\/li>\n
  • Prevent contact with moisture, oxygen, acids<\/li>\n
  • Use properly grounded equipment<\/li>\n
  • Avoid dust accumulation to minimize explosion risk<\/li>\n
  • Zalecana lokalna wentylacja wyci\u0105gowa<\/li>\n
  • Wear appropriate PPE while handling<\/li>\n<\/ul>\n

    Proper techniques and controls prevent IN939 powder oxidation or contamination.<\/p>\n

    Inspection and Testing of IN939 Powder<\/strong><\/h3>\n

    IN939 powder is validated using:<\/p>\n\n\n\n\n\n\n\n\n\n\n
    Metoda<\/th>\nTestowane parametry<\/th>\n<\/tr>\n<\/thead>\n
    Analiza sitowa<\/td>\nRozpi\u0119to\u015b\u0107 wielko\u015bci cz\u0105steczek<\/td>\n<\/tr>\n
    Mikroskopia SEM<\/td>\nMorfologia cz\u0105stek<\/td>\n<\/tr>\n
    EDX<\/td>\nChemia i sk\u0142ad<\/td>\n<\/tr>\n
    XRD<\/td>\nObecne fazy<\/td>\n<\/tr>\n
    Piknometria<\/td>\nG\u0119sto\u015b\u0107<\/td>\n<\/tr>\n
    Przep\u0142yw w hali<\/td>\nP\u0142ynno\u015b\u0107 proszk\u00f3w<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Testing per applicable ASTM standards ensures batch consistency.<\/p>\n

    Comparing IN939 to Alternative Alloy Powders<\/strong><\/h3>\n

    IN939 compares to other Ni-based superalloys as:<\/p>\n\n\n\n\n\n\n\n\n
    Stop<\/th>\nWytrzyma\u0142o\u015b\u0107 wysokotemperaturowa<\/th>\nKoszt<\/th>\nMo\u017cliwo\u015b\u0107 drukowania<\/th>\nKowalno\u015b\u0107<\/th>\n<\/tr>\n<\/thead>\n
    IN939<\/td>\nWy\u015bmienicie<\/td>\nWysoki<\/td>\nWy\u015bmienicie<\/td>\nNiski<\/td>\n<\/tr>\n
    IN738<\/td>\nDobrze<\/td>\n\u015arednie<\/td>\nWy\u015bmienicie<\/td>\n\u015arednie<\/td>\n<\/tr>\n
    IN718<\/td>\nUczciwa<\/td>\nNiski<\/td>\nDobrze<\/td>\nWy\u015bmienicie<\/td>\n<\/tr>\n
    Hastelloy X<\/td>\nWy\u015bmienicie<\/td>\nWysoki<\/td>\nUczciwa<\/td>\n\u015arednie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    For balanced properties and processability, IN939 supersedes alternatives like IN718 or Hastelloy X.<\/p>\n

    Pros and Cons of IN939 Powder for 3D Printing<\/strong><\/h3>\n\n\n\n\n\n\n\n\n\n
    Plusy<\/th>\nWady<\/th>\n<\/tr>\n<\/thead>\n
    Exceptional high temperature strength<\/td>\nExpensive compared to IN718<\/td>\n<\/tr>\n
    Excellent oxidation and creep resistance<\/td>\nSignificant parameter optimization needed<\/td>\n<\/tr>\n
    Complex geometries feasible<\/td>\nLimited room temperature ductility<\/td>\n<\/tr>\n
    Faster processing than cast\/wrought<\/td>\nControlled storage and handling environment<\/td>\n<\/tr>\n
    Comparable properties to cast alloy<\/td>\nDifficult to machine after printing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    IN939 enables high-performance printed parts but with higher costs and controlled processing needs.<\/p>\n

    Frequently Asked Questions about IN939 Powder for 3D Printing<\/strong><\/h2>\n

    Q: What particle size range works best for printing IN939?<\/strong><\/p>\n

    A: A particle size range of 15-45 microns provides good flowability combined with high resolution and density. Finer particles below 10 microns can improve density and surface finish.<\/p>\n

    Q: Does IN939 require any post-processing after 3D printing?<\/strong><\/p>\n

    A: Post processes like hot isostatic pressing, heat treatment, and machining are usually needed to eliminate porosity, relieve stresses, and achieve final tolerances and surface finish.<\/p>\n

    Q: What precision can be achieved with IN939 printed parts?<\/strong><\/p>\n

    A: After post-processing, dimensional accuracy and surface finish comparable to CNC machined parts can be achieved with IN939 AM components.<\/p>\n

    Q: Are support structures necessary for printing IN939 powder?<\/strong><\/p>\n

    A: Minimal supports are recommended for complex channels and overhangs to prevent deformation and facilitate easy removal. IN939 powder has good flowability.<\/p>\n

    Q: What alloy powder is the closest alternative to IN939 for AM?<\/strong><\/p>\n

    A: IN738 is the closest alternative in terms of balanced properties and maturity for additive manufacturing. Other alloys like IN718 or Hastelloy X have some trade-offs.<\/p>\n

    Q: Is IN939 compatible with direct metal laser sintering (DMLS)?<\/strong><\/p>\n

    A: Yes, IN939 is readily processable by major powder bed fusion techniques including DMLS along with selective laser melting (SLM) and electron beam melting (EBM).<\/p>\n

    Q: What density is achievable with 3D printed IN939 components?<\/strong><\/p>\n

    A: With optimized parameters, densities over 99% are achievable, matching properties of traditionally processed IN939 products.<\/p>\n

    Q: How do the properties of printed IN939 compare to cast alloy?<\/strong><\/p>\n

    A: Additively manufactured IN939 exhibits comparable or better mechanical properties and microstructure compared to conventional cast and wrought forms.<\/p>\n

    Q: What defects can occur when printing with IN939 powder?<\/strong><\/p>\n

    A: Potential defects are cracking, distortion, porosity, surface roughness, incomplete fusion etc. Most can be prevented by proper parameter optimization and powder quality.<\/p>\n

    Q: Is hot isostatic pressing (HIP) mandatory for IN939 AM parts?<\/strong><\/p>\n

    A: HIP eliminates internal voids and improves fatigue resistance. For less demanding applications, heat treatment alone may suffice instead of HIP.<\/p>\n

    \n
    <\/div>\n<\/div>\n

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