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chemical milling

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... drawing callout, mm (in.) 1.14 (0.045) 0.99 (0.039) 0.94 (0.037) Maximum 1.02 (0.040) 0.94 (0.037) 0.91 (0.036) Average 0.89 (0.035) 0.89 (0.035) 0.89 (0.035) Absolute minimum Chemical milling costs (relative), U.S. dollars/kg (U.S. dollars/lb) $3.60 ($8) removed $7.20 ($16) removed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180001
EISBN: 978-1-62708-256-3
... at the space station Fig. 12 Titanium domes. Before chemical milling (left) and after chemical milling (right) in an incorrect etchant that caused the dome to undergo brittle fracture Fig. 7 F-20 Tigershark, circa 1982 Fig. 9 USS Greeneville Fig. 10 Welded crankshaft...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230339
EISBN: 978-1-62708-298-3
... on the Mechanical Properties and the Structure of Beryllium Foil , Met. Sci. Heat Treat. , Vol 33 ( No. 1–2 ), p 12 – 14 10.1007/BF00775025 Langworthy E.M. , 1989 . Chemical Milling , Machining , Vol 16 , Metals Handbook , 9th ed. , ASM International , p 379 – 386 Lievestro T.L...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120079
EISBN: 978-1-62708-269-3
.... 10.5 Summary of machining effects on high-cycle fatigue behavior of Ti-6Al-4V (annealed, 32–34 HRC). EDM, electrical discharge machining; CHM, chemical milled Fig. 10.1 Cutting resistance of various titanium alloys Abstract Abstract This chapter discusses the factors that influence...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110144
EISBN: 978-1-62708-247-1
... Lap Chemical Decapsulation Laser Ablation Plasma Reactive Ion Etch (RIE) CNC Based Milling and Polishing CNC Removal of Stacked Die Electrical Endpoint Detection on CNC Endpoint Detection Example Masking the Resistive Endpoint Potential Issues If an endpoint is obtained...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110391
EISBN: 978-1-62708-247-1
...-section and/or enhancing a physically polished one. Delineation methods for revealing structures are also discussed. These can be chemical etchants, chemo-mechanical polishing, and ion milling, either in the FIB or in a dedicated ion mill. References References The author learned to section so long...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110379
EISBN: 978-1-62708-247-1
... chemical etching, dry reactive ion etching, top-down parallel lapping (including chemical-mechanical polishing), ion beam milling and laser delayering techniques. This article discusses the general procedure, types, advantages, and disadvantages of each of these techniques. In this article, two types...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080359
EISBN: 978-1-62708-304-1
... (a) and in close-up (b) after 2 years of operation in the boiler at a mill in South America. Source: Ref 31 Abstract Abstract Black liquor recovery boilers are an integral part of the kraft pulping process used in paper mills. Besides recovering chemicals for reuse, they also produce process steam. High...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
... tolerances and finer surface finishes. Nontraditional machining processes include processes such as electrical discharge machining (EDM), electrochemical machining (ECM), ultrasonic machining (USM), and chemical milling (CM). In these operations, material is removed by a variety of physical mechanisms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230493
EISBN: 978-1-62708-298-3
... by-product feeds composition are shown in Table 27.2 . The copper oxide and hydroxide represent the largest single feed, followed by the furnace dross, mill scale, and melting skull streams. During processing of wrought beryllium-copper alloys, parts are chemically milled (pickled) to improve surface finish...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... requirements. Thinning of the substrates can be accomplished by flat lapping, laser assisted chemical etch, plasma reactive ion etch, and CNC based milling and polishing. The article discusses the general characteristics, key principles, advantages, and disadvantages of these processes. It also contains case...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120039
EISBN: 978-1-62708-269-3
...-beta titanium alloy (Ti-6222S) F-18 ejector block (after chemical milling, blending, and mill repair) Fig. 6.2 Investment-cast titanium components for use in corrosive environments Fig. 6.6 Typical complex shapes cast in titanium alloys. Courtesy of Precision Castparts Corp...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550223
EISBN: 978-1-62708-307-2
... applications normally use low-strength unalloyed titanium mill products fabricated into tanks, heat exchangers, or reactor vessels for chemical processing, desalination, or power generation plants. In contrast, high-performance applications typically use high-strength titanium alloys in a very selective manner...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... production routes are mechanical milling, chemical precipitation, electrolytic deposition, and melt atomization. Different production steps are often combined to customize the powder characteristics. For example, metal powders can be reduced from an oxide by heating in hydrogen followed by milling...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
... by chemical etching or “healed” by heat treatment. Chemical milling of beryllium usually removes approximately 50 to 100 μm (0.002 to 0.004 in.) from the surface, which is about the typical thickness of the damaged surface. Chemical milling can be conducted using sulfuric acid, nitric/hydrofluoric acid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... sufficient amounts of a specified particle size distribution requires repeated classification and milling practices. Various processes are used to yield different grades of powders. Beryllium powder is consolidated using a selected powder grade and consolidation process, resulting in a compact...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... salt baths fall into two basic categories: high-temperature salt baths and low-temperature salt baths. Alternatively, grit blasting can be used to break up the scale so the nitric-hydrofluoric etchant or chemical milling solution removes scale more evenly. To avoid excessive stock removal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480207
EISBN: 978-1-62708-318-8
... limit the production of the latter. Extrusion finishing consists of descaling in hot caustic and pickling in a nitric-hydrofluoric acid mixture to remove the contaminated surface layer. Other finishing operations involve grinding, chemical milling, roll forming and sizing, and hydrostatic re...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170417
EISBN: 978-1-62708-297-6
..., selection criteria differ markedly. Corrosion applications normally utilize low-strength “unalloyed” titanium mill products fabricated into tanks, heat exchangers, or reactor vessels for chemical-processing, desalination, or power-generation plants. In contrast, high-performance applications typically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... levels and minor alloy additions constitute different grades. Corrosion resistance, chemical and energy applications Ti-6Al-4V Alpha + beta alloy The most commonly used alloy for aerospace and industrial applications Ti-6Al-6V-2Sn Medium-strength alpha + beta alloy Strength higher than Ti-6Al...