High-speed steel | Toolmaking, Heat Treatment, …
high-speed steel, Alloy of steel introduced in 1900. It doubled or trebled the capacities of machine shops by permitting the operation of machine tools at twice or three times the …
High-Speed Steel
High speed steels (HSS) are a class of high alloy steels with significant amounts of W, Mo, Co, V, and Cr in addition to Fe and C. Extensive solid solution alloying of these …
High-Speed Steel: Properties, Types, Grades and Usage
High-Speed Steel: Properties, Types, Grades and Usage. High-Speed Steel (HSS) is a composition metal. High-Speed Steel is made with Iron (Fe) as the base metal and the …
Shape Memory Alloy (SMA) Actuators: The Role of Material, …
The actuation speed of the SMA would increase significantly as it gets smaller. For example, Lee et al. reported an actuation speed of up to 1.6 kHz when the thickness of the SMA element was reduced to near 1 µm; this is a few orders of magnitude faster than the speeds generally associated with SMA actuators.
High Speed Steel vs. Tungsten Steel
These are sometimes referred to as tungsten high speed steel. In some cases, high speed steel refers specifically to the molybdenum series of HSS. These alloys have between 3.75% and 10.5% molybdenum and 10% or less tungsten. Tungsten high speed steels have at least 12.38% tungsten and 1% or less molybdenum (T1 has no …
Improved strength of Mg alloy extruded at high speed with …
The application of artificial cooling to the high speed extrusion (13.5 m/min) of Mg–7Sn–1Al–1Zn alloy has been found to dramatically reduce the size of recrystallized (DRXed) grains, while also increasing the number of fine Mg 2 Sn precipitates. This is attributed to a decrease in the temperature of the deformation zone, and has the effect of …
Advanced manufacturing of high-speed steels: A …
High-speed steels (HSSs) are frequently utilized as cutting tools and wear-resistant components for a variety of applications because of their exceptional hot …
High speed ball nose end milling of γ-TiAl alloys
For both alloys the higher the cutting speed, the shorter the tool life. This trend was expected as increased cutting speed generally produces. Conclusions • Benchmarking trials established alloy Ti–45Al–8Nb–0.2C as providing a ∼25% increase in tool life based on a maximum flank wear criteria of 300 μm.
Metals | Free Full-Text | Real-Time Defects Analyses Using High-Speed
In this study a continuous wave Ytterbium-doped Yttrium Aluminum Garnet (Yb: YAG) disk laser has been used for welding of AlMg3 casted alloy. A high-speed imaging camera has been employed to record hot vapor plume features during the process. The purpose was to identify a mechanism of pores detection in real-time based on …
A study on High Speed End Milling of Titanium Alloy☆
This paper investigates high speed end milling of titanium alloy (Ti–6% Al–4% V) using carbide insert based end mill cutter. Effects of cutting forces during high speed machining of titanium alloys have got higher attention in selecting the optimal cutting conditions to improve the production and tool life. Due to Titanium alloy's low ...
Coatings | Free Full-Text | Investigation of the Microstructure …
In this paper, Fe-based and Co-based alloy powders were chosen to perform laser cladding on wheel materials through conventional laser cladding (CLC) and ultra-high-speed laser cladding (UHSLC) processes, respectively. The microstructures, element distribution, phase composition and hardness of the Fe-based alloy and Co …
Magnetic field-assisted solidification of W319 Al alloy …
Here, high-speed synchrotron X-ray tomography was used to study the effect of magnetic fields on solidification. We investigated vertically upward directional solidification of an Al-Si-Cu based W319 alloy without and with a transverse magnetic field of 0.5 T while the sample was rotating.
Sub-surface and surface analysis of high speed machined Ti–6Al–4V alloy
High speed machining of the titanium alloys is an interesting subject because of the uniqueness of this cutting process. It is generally believed that the deformation energy used during the metal cutting is transformed into heat energy near the cutting edge of the tool [8], [12].
High speed cryogenic drilling of Ti-6Al-4V alloy under high …
This paper deals with the high-speed drilling of Ti-6Al-4V alloy by the application of high-pressure cryogenic coolant at 22 bar. The results shows that there is a significant reduction in the thrust force ( F Z ), torque ( M Z ), and temperature ( T ) and the effect of feed is negligible on circularity, cylindricity, and surface roughness of ...
What is high speed steel? The ABRAMS STEEL GUIDE® …
High speed steel, also known as HSS, is a high alloyed tool steel for cutting tools like taps or milling heads but also tools like saws, lath tools or for cold forming. Tools cutting …
Ray Foster AG04 Dental High Speed Alloy …
Model AG04: High Speed Alloy Grinder with Self-contained Dust Collector High and Low belt controlled speeds Adjustable spindle working height Heavy duty, 1/3 HP capacitor start motor in a totally enclosed housing Self-contained dust collector Motor is UL-recognized and CSA-certified for electrical safety Specifications Width 12", Length 18 ...
Dynamic recrystallization behavior and microstructural evolution …
To accomplish this purpose, Mg alloy AZ31 was subjected to HSR with various reductions ranging from 20% to 80% at a high rolling speed of 470 m/min and 400 °C, and then, twinning activation, DRX behavior, grain structure, internal strain, and developed texture of the HSRed alloy were systematically analyzed.
Experimental study on high speed milling of γ-TiAl alloy
By high speed turning experiment of aerospace engine titanium alloy membrane discs, it researches cutting parameters influence on machined surface roughness of titanium alloy membrane discs ...
What is High-Speed Steel? | Essentra Components US
High-speed steel is also known as HSS, a type of alloy tool steel. The characteristics of high-speed steel include the ability to withstand high temperatures and …
High-speed penetration of cast Mg-6Gd-3Y-0.5Zr alloy: …
In the present work, ballistic penetration into Mg-6Gd-3Y-0.5Zr alloy by a spherical projectile is investigated with impact experiments along with high-speed photography, postmortem characterization, FEM modeling and theoretical analysis. The incident velocity ranges from 80 m s −1 to 2200 m s −1.
Surface integrity in high-speed grinding of Al6061T6 alloy
High-ductility materials often impose grinding problems. This study carries out high-speed grinding on the Al6061T6 alloy at a linear grinding speed of 30.4–307.0 m/s to explore surface integrity and material removal mechanisms from the perspectives of material embrittlement and damage skin effect. The results reveal that the micrograins …
Numerical Analysis of Molten Pool Dynamic Behaviors during High-Speed …
Increased welding speeds are often used to achieve high welding efficiency. However, welding defects, including pores and humps, can easily be formed under high-speed welding conditions. Therefore, a numerical calculation method is proposed to analyze the molten pool dynamic behaviors during high-speed oscillation laser welding …
High-speed perforation of high-entropy alloy CrMnFeCoNi …
The perforation behavior of 2-mm thick CrMnFeCoNi high-entropy alloy plates is investigated via ballistic impact experiments using spherical stainless steel 304 projectiles with high-speed photography at impact velocities ranging from 500 m s −1 to 2213 m s −1.Postmortem target samples are characterized with macro photography, …
Thermo-Mechanical Coupling Numerical Simulation for Extreme High-Speed
In this work, experiments on the extreme high-speed laser cladding of chrome-iron alloy were conducted, and the impact of various process factors on the extreme high-speed laser single-pass coating was analyzed. A numerical model of the thermal coupling of the ultra-high-speed laser cladding was established based on the …
Experiment and simulation on the high-speed milling …
A two-dimensional high-speed milling model of aluminum alloy 7050-T7451 is established based on Advantedge; the effects of milling parameters (milling speed, cutting depth) and tool geometric parameters (tool rake angle, tool blunt radius) on milling force and milling temperature are identified through single factor experiment. ...
Effect of laser remelting on copper‑nickel alloy coating …
Advanced extreme high-speed laser cladding (EHLA) technology can realize a metallurgical bonding of copper‑nickel alloy and obtain better surface and structural characteristics. However, because of the high heat conductivity and high reflectivity of copper, copper-alloy coatings prepared by EHLA have defects such as segregation, …
Tool Steel vs High-Speed Steel
Both tool steel and high-speed steel are alloy steels, meaning they are made from multiple elements combined to create favourable characteristics. In particular, they both contain large amounts of carbon to increase strength, as well as other elements like chromium, tungsten, molybdenum, vanadium, or cobalt to increase toughness.
Laser Directed Energy Deposition of an AlMgScZr-Alloy in High-Speed …
Aluminum-magnesium-scandium-zirconium (AlMgScZr) alloys need to be rapidly cooled from the liquid state to obtain a high degree of solute supersaturation that helps to exploit the precipitation hardening potential of the material. While AlMgScZr alloys have been successfully used in laser powder bed fusion (LPBF) processes, there has …
Investigation of GH3625 alloy: Contrasting
Comparative analysis of GH3625 nickel alloys using conventional and extreme high-speed laser metal deposition. • Revelation of microstructural evolution in GH3625 alloys influenced by cooling rates. • Evaluation of Nb segregation behavior through application of the Clyne-Kurz model. •
High-Speed Steel: An Overview
M2 high-speed steel (W6Mo5Cr4V2) are MC, M2C, and M6C [16,17], whereas M6C, MC, M7C3, and M23C6 are the main carbides in M42 high-speed steel …