— DD6 nickel-based single-crystal superalloy has been treated as an ideal material for the high-valued and high-performed aero-engine components; however, it was found difficult to remove material from the DD6 nickel-based single-crystal superalloy in cutting and grinding. Although creep-feed deep grinding (CFDG) has been widely …
Sunarto and Y. Ichida, "Creep feed profile grinding of Ni-based superalloys with ultrafine-polycrystalline CBN abrasive grits," Precision Engineering, Vol. 25, pp. 274- 283, 2000. ... CBN grinding wheel relate to high speed and super-high speed grinding, quick point-grinding, high efficiency deep-cut grinding, creep feed deep grinding ...
— Zhao et al. employed a CBN wheel to perform profile grinding of directionally solidified superalloy DZ125; they reported that altering the maximum grinding thickness could reduce the specific grinding energy. Creep-feed grinding (CFG), as an advanced processing method, exhibits a large cutting depth; it is also referred to as creep-feed …
— Creep feed grinding produces gradient deformation structures in the surface layer of turbine blade root of single crystal nickel-based superalloy, including nano-sized grains (48–67 nm), submicron …
What is Creep Feed Grinding. For creep feed grinding, cutting depths of up to 20mm infeed are used. The entire allowance of a workpiece can be removed with a few cuts. However, the workpiece or table speed must …
— Semantic Scholar extracted view of "Grindability and Surface Integrity of Cast Nickel-based Superalloy in Creep Feed Grinding with Brazed CBN Abrasive Wheels" by Ding Wenfeng et al. ... Creep feed profile grinding of Ni-based superalloys with ultrafine-polycrystalline cBN abrasive grits. Sunarto Y. Ichida. Materials Science, Engineering. …
— Creep feed grinding is the most common method for manufacturing of turbine blade fir-tree roots within desired tolerances. ... It is shown that profile grinding with removal rates above 50 mm3 mm ...
BLOHM Profile, Surface and Creep Feed Grinding Machines For more than 50 years BLOHM Maschinenbau has been building surface and profile grinding machines. Our machines are known worldwide for precision, quality and reliability. More than 15,000 delivered machines show the international appreciation of BLOHM grinding machines.
— Creep-feed profile grinding of superalloy fir tree-shaped turbine bladeroot (FTTB) is highly susceptible to thermal damage. ... Long-term oxidation behavior and mechanism of DD6 Ni-based single crystal superalloy at 1050 °C and 1100 °C in air. Journal of Alloys and Compounds, Volume 704, 2017, pp. 218-226.
• What is High Performance Grinding? • Creep-feed grinding test of nickel-based superalloys • The impact of coolant – oil vs. water soluble • Why use engineered …
— Fretting wear has an adverse impact on the fatigue life of turbine blade roots. The current work is to comparatively investigate the fretting wear behaviour of the nickel-based superalloy surfaces produced by polishing and creep-feed profile grinding, respectively, in terms of surface/subsurface fretting damage, the friction coefficient, wear …
Abstract. Ni3Al-based intermetallic IC10 exhibits prominent high-temperature performance (e.g., high melting points, resistant to gas corrosion, and creep resistance); it acts as an …
Semantic Scholar extracted view of "Tool wear behavior of vitrified microcrystalline alumina wheels in creep feed profile grinding of turbine blade root of single crystal nickel-based superalloy" by Q. Miao et al. ... The burnished surface quality of a Ni-based alloy was investigated. For this, we developed and utilized a sliding burnishing ...
Instead of hard milling a part, deburring it, then finishing with surface grinding, creep feed grinding can accomplish the same results in one operation. In some cases, creep feed grinding is as much as 40 percent faster than alternative …
Ni3Al-based superalloy IC10 is widely used in high ... the PcBN-U grit is suitable for applications with high dimensional accuracy in creep feed profile grinding for superalloys, because it causes ...
— This paper presents the grinding characteristics of a newly developed ultrafine-polycrystalline cBN abrasive grit in creep feed profile grinding of Nickel-based …
sharpness, abrasive grain density, workpiece material properties and wheel profile. It is possible to calculate the tangential forces (F t) acting on the wheel in creepfeed grinding in two ways. The first is directly ... Recent internal testing of premium ceramic grain creep feed wheels on Inconel 718 at the Norton Higgins Grinding & Technology ...
— In this study, the creep feed grinding properties of Ni 3 Al-based superalloy IC10 were studied experimentally. A serial of experiments were carried out to analyze …
— Sunarto IY (2001) Creep feed profile grinding of Ni-based superalloys with ultrafine polycrystalline CBN abrasive grits. Precis Eng 25(4):274–283. Article Google Scholar Xu XP, Yu YQ, Xu HJ (2002) Effect of grinding temperatures on the surface integrity of a nickel-based superalloy. J Mater Process Technol 129(1/3):359–363
— This paper presents the experimental investigation on the wear characteristics of CBN wheels in creep feed grinding. The obtained results are as follows : (1) As the …
Creep feed profile grinding (CFPG) as a crucial precision process that is applied to produce the final profile of the blade tenon. However, sudden surface burns and microcracks of machined γ-TiAl blade tenon often occur because of its low plasticity and high strength during grinding processes, leading to poor surface integrity.
Grinding force and surface quality in creep feed profile grinding of turbine blade ... Chemical C Cr Co Mo Al Ti Fe W Ta Re Nb Hf Ni compositions 0.01 4.3 9 2 5.7 0.05 0.21 8 7.5 2 0.5 0.1 Bal.
DOI: 10.1016/j.cja.2024.01.020 Corpus ID: 267241215; Surface integrity evolution during creep feed profile grinding of γ-TiAl blade tenon @article{Chen2024SurfaceIE, title={Surface integrity evolution during creep feed profile grinding of $gamma$-TiAl blade tenon}, author={Tao Chen and Xiaowei Wang and Biaoqin Zhao and Wenfeng Ding and …
— 1. Introduction. Nickel-based superalloy turbine blades are the most essential aeroengine hot-end components, and the roots with complex shape are the critical parts of turbine blades that connect the turbine discs [1, 2]. nickel-based superalloy is a typical difficult-to-cut material, and the creep-feed profile grinding with alumina abrasive wheels …
Creep Feed Grinding. Creep feed grinding results in high mechanical and thermal loads on the system components, which can be mitigated by adaptive design of the control, grinding wheel, dressing process, …
Xu et al. [12] investigated the formation mechanism and surface integrity of thermal damage during creep feed profile grinding of superalloys. They developed a finite element model to elucidate the formation mechanism of thermal damage in the grinding process. ... Yuanhe Ni: Writing – original draft, Validation, Methodology. Wenxi Wang ...
Creep feed grinding is a special grinding strategy where considerable material removal rates and high surface qualities are attained along with quite low grinding wheel wear. It was applied in the early 1950s for the first time and lead to an extensive development of machines, grinding
— This study presents a comprehensive and comparative investigation on creep-feed grinding (CFG) of single crystal nickel-base turbine blade fir-tree roots with and without surface burn by using ...
— Creep feed profile grinding of the fir-tree blade root forms of single crystal nickel-based superalloy was conducted using microcrystalline alumina abrasive wheels …
— In this study, the grindability of for typical nickel-based superalloys, i.e., wrought GH4169, cast K403, DS cast DZ408 and SX DD6 during the creep feed grinding process was examined comparatively and comprehensively by evaluating the grinding force, grinding ratio, wheel wear and surface integrity.
— Miao et al. [8] evaluated the tool wear behavior of vitrified microcrystalline alumina wheels during creep feed profile grinding of single crystal Ni-based alloy. Nadolny and Herman [9 ...
DOI: 10.1016/S0141-6359(01)00078-2 Corpus ID: 136592770; Creep feed profile grinding of Ni-based superalloys with ultrafine-polycrystalline cBN abrasive grits @article{Sunarto2001CreepFP, title={Creep feed profile grinding of Ni-based superalloys with ultrafine-polycrystalline cBN abrasive grits}, author={Sunarto and Yoshio Ichida}, …
