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Experimental investigation on surface integrity and fatigue of nickel-based single-crystal superalloy DD6 during grinding-shot peening composite manufacturing
Surface integrity is an important factor affecting service performance of parts. Favorable machined surface state can greatly improve fatigue life of...
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Thrust force model for ultrasonic-assisted micro drilling of DD6 superalloy
As a typical refractory material, the DD6 nickel-based single-crystal superalloy has important applications in the aviation industry....
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Modeling of burr height in ultrasonic-assisted drilling of DD6 superalloy
DD6 nickel-based superalloy is a typical refractory material, and has important applications in the aviation industry. Ultrasonic-assisted drilling...
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Effects of progressive wear of the hollow-sphere abrasive grain on recrystallization of DD6
Single crystal superalloys are prone to severe plastic deformation during the precision finishing process, resulting in the recrystallization...
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An investigation of the effect of warm laser shock peening on the surface modifications of [001]-oriented DD6 superalloy
Warm laser shock peening (WLSP) is a novel surface modification technology involving a combination of laser shock peening (LSP) and dynamic strain...
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Oxidation behavior of 4774DD1 Ni-based single-crystal superalloy at 980 °C in air
The oxidation behavior of a novel Ni-based single-crystal 4774DD1 superalloy for industrial gas turbine applications was investigated by the...
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High Mechanical Properties of Nickel-Based Superalloy with Dispersed Nanoparticles Formed by Laser Metal Deposition
While laser-printed metals do not tend to match the mechanical properties and thermal stability of conventionally-processed metals, incorporating and...
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Research on ultrasonic-assisted drilling in micro-hole machining of the DD6 superalloy
The DD6 nickel-based superalloy exhibits remarkably high temperature properties; therefore, it is employed as a crucial structural material in the...
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Effect of laser shock peening on the tensile behavior and notch sensitivity of Ni-based single-crystal superalloy
In this work, a tensile specimen of a Ni-based single-crystal (SC) superalloy with a U-type notch was treated by laser shock peening (LSP)....
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Influence of heat treatments on incipient melting structures of DD5 nickel-based single crystal superalloy
The evolution of microstructure and formation mechanism of incipient melting microstructure of DD5 single crystal superalloy during solution heat...
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Investigation on efficiency and quality for ultrashort pulsed laser ablation of nickel-based single crystal alloy DD6
The high processing efficiency and quality are constant pursuits for modern manufacturing industry. This paper investigated the ablation efficiency...
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Solidification behaviour and hot cracking susceptibility of a novel Ni-based superalloy
A novel Ni-based superalloy GH4151, with a γ′ volume fraction of about 55% and a service temperature capability up to 800 °C, was investigated. Due...
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Study on the chip formation in grinding of nickel-based single-crystal superalloy DD5
According to the significant anisotropy of nickel-based single-crystal superalloy, a three-dimensional single-abrasive grinding model based on the...
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CBN grain wear and its effects on material removal during grinding of FGH96 powder metallurgy superalloy
Grinding with cubic boron nitride (CBN) superabrasive is a widely used method of machining superalloy in aerospace industries. However, there are...
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Effect of competitive crystal growth on microstructural characteristics of directionally solidified nickel-based single crystal superalloy
Directionally solidified single crystal superalloy test bars were prepared by the spiral grain selection method. The microstructural evolution and...
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Study on chip formation in grinding of nickel-based polycrystalline superalloy GH4169
Based on the variation of the actual cutting depth during the grinding process, a 3D finite element simulation model for grinding nickel-based...
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Optimization of investment casting process for K477 superalloy aero-engine turbine nozzle by simulation and experiment
In order to reduce the shrinkage porosity of nickel-based superalloy castings in the investment casting process, the effects of different gating...
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Study on machining performance in grinding of Ni-base single crystal superalloy DD5
The Ni-base single crystal superalloy DD5 is commonly employed in critical parts of turbine blades and turbine disks in aeronautical engines. To...
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Evolution mechanism of recrystallization in a nickel-based single crystal superalloy under various cooling rates during heat treatment
The recrystallization behaviors of a nickel-based single crystal superalloy during heat treatment at 1,200 °C for 4 h with various cooling rates were...
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Effect of Zr on solidification and microstructure of a Ni-based superalloy with high Al and Ti contents
The total content of Al and Ti in advanced Ni-based wrought superalloys is up to 7.5wt.%, which makes it easier to form harmful nonequilibrium...