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tool steel

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the friction and wear behaviors of carbon, alloy, and tool steels. It begins a review of commercially available shapes and forms. It then describes the metallurgy and microstructure of various designations and grades of each type of steel and explains how it affects...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... compete with stainless steels. Like cast irons, carbon steel, alloy steels, and tool steels, there are many types of stainless steels, and these different types correlate with the possible microstructures of stainless steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
... popular to make tool steels with powder metal processes, cermets started to emerge. Cermets consist of a stainless steel, alloy steel, or tool steel matrix filled with hard particles. The most readily available shapes were usually filled with titanium carbide (TiC) particles. Cermet welding consumables...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... friction is well below 0.1 under hydrodynamic and elastohydrodynamic conditions. Thus, gray cast irons produce low friction mated with hard steel immersed in the 5W20 oil. Tests are usually conducted at about 100 °C. Gray cast iron is almost a standard material for tool machine ways, flat pad sliding...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... steels such as AISI 1080 to 1095 can be selectively hardened to 60 HRC for cutting edges. Carbon steels are said to produce the sharpest cutting edge because they do not contain large alloy carbides, unlike some stainless steels and tool steels. Carburized alloy steels such as AISI 4620 and 9310...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... processes is 70 HRC. In the plastics industry, many molds are made from H13 tool steel to resist breakage, but it wears readily. These steels can be nitrided for improved abrasion and abuse resistance. Thermal spray coatings are the ideal way to obtain a carbide wear surface. WC-Co, the same composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300163
EISBN: 978-1-62708-323-2
... beryllium copper, they do not compete with steels as structural components. They were used as tool materials and swords in the Bronze Age, but steels replaced them when steel and iron technologies became available. High electrical and thermal conductivity set pure coppers above most other metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
... all of the wear on member A? Was the system wear 40% on member A and 50% on member B? This concept was initiated in plastics testing, where some compounders ran wear tests on large hardened tool steel counterfaces and assumed their wear to be zero. As shown in Fig. 11.13 , some plastics can produce...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... solution was (several) new latches that prevented the relative motion. With the new latches, the hatch covers flexed with the ship. Similarly, it is well known that rapidly wearing punch press dies can be made more wear resistant by changing materials from, for example, oil hardening tool steel to...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... does not really interfere with their use. Micrometers, calipers, height gages, pliers, c-clamps, scissors—all sorts of tools work fine with reasonable service lives under normal intermittent use conditions. Metal pots sliding on the steel burner grates on the stove has never created any friction...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300001
EISBN: 978-1-62708-323-2
..., such things as skin abrasions heal—the skin removal is reversible. Wear definitions sometimes include surface alteration . The subjects covered in the WOM conferences and in this book are predominately the materials that are used to make the tools and things that we use in our daily lives...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300363
EISBN: 978-1-62708-323-2
... tribotester yields smoothness ratings based on forces and heights of surface features. Profilometry by contacting and noncontacting probes is a tool used in almost every tribology study. These same tools can be used to address, for example, scratch depths on teeth from toothpaste abrasives. Skin texture...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... the μ r . The rolling coefficient of friction is dependent on the stiffness of the rolling member and the stiffness of the surface rolled on. It is much easier to roll a steel wheel on steel than a rubber wheel on steel. (That is why train cars have steel wheels rather than rubber wheels...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... from the surface as the result of repetitive gouges. It is similar to what happens in abrasive blasting of ductile metals, only more macroscopic. Usually tough steels rather than hard steels are used from tools subjected to gouging abrasion. Truck bodies carrying rock or ore are often made from pre...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... fluids are proprietary, but the majority are usually water based. A principal function of a cutting fluid is to serve as a coolant for the tool, workpiece, and chips. The chips also float away and may contribute to minimizing adhesive transfer of work material to the cutting tool. Straight oils do not...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... Abstract The possible classification for tool steels is their division into four groups according to their final application: hot-worked, cold-worked, plastic mold, and high-speed tool steels. This chapter mainly follows such division by application, but the grade nomenclatures used here are...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250073
EISBN: 978-1-62708-287-7
... Abstract This chapter provides a detailed account of the development of tool steel technology. It begins with a record of steelmaking in ancient and medieval times. The crucible melting process involved in making steel is then discussed. This is followed by a description of the increasing use...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250219
EISBN: 978-1-62708-287-7
... early part of the 20th century, but this practice was used only for making tool steels, high alloy steels, and stainless steels where scrap had to be high quality to meet specifications. Scrap was also used in large quantities in the open hearth process to make ordinary carbon steels and engineering...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250093
EISBN: 978-1-62708-287-7
... Abstract This chapter discusses the development of stainless steel. It begins with some information on the discovery of stainless steel. This is followed by a discussion on the most important patents issued for stainless steel. Applications of stainless steel beyond their original use in...