Influence of grinding fiber angles on grinding of the 2D–Cf /C–SiC composites

Liu, Qiong; Huang, Guoqin; Xu, Xipeng; Fang, Congfu; Cui, Changcai

doi:10.1016/j.ceramint.2018.04.083

Cited by 59 publications

(12 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Zhang et al [71] reached the same conclusion on the failure form of material removal in unidirectional C/SiC composite grinding. Yang et al [72] found that most fibers and matrix were broken into fine debris during the grinding of unidirectional C/SiC. The average crack depth and the average length of debris increase gradually with the cutting depth.…”

Section: Materials Removal Mechanismmentioning

confidence: 99%

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

et al. 2022

View full text Add to dashboard Cite

Fiber-reinforced composites have become the preferred material in the fields of aviation and aerospace because of their high-strength performance in unit weight. The composite components are manufactured by near net-shape and only require finishing operations to achieve final dimensional and assembly tolerances. Milling and grinding arise as the preferred choices because of their precision processing. Nevertheless, given their laminated, anisotropic, and heterogeneous nature, these materials are considered difficult-to-machine. As undesirable results and challenging breakthroughs, the surface damage and integrity of these materials is a research hotspot with important engineering significance. This review summarizes an up-to-date progress of the damage formation mechanisms and suppression strategies in milling and grinding for the fiber-reinforced composites reported in the literature. First, the formation mechanisms of milling damage, including delamination, burr, and tear, are analyzed. Second, the grinding mechanisms, covering material removal mechanism, thermal mechanical behavior, surface integrity, and damage, are discussed. Third, suppression strategies are reviewed systematically from the aspects of advanced cutting tools and technologies, including ultrasonic vibration-assisted machining, cryogenic cooling, minimum quantity lubrication (MQL), and tool optimization design. Ultrasonic vibration shows the greatest advantage of restraining machining force, which can be reduced by approximately 60% compared with conventional machining. Cryogenic cooling is the most effective method to reduce temperature with a maximum reduction of approximately 60%. MQL shows its advantages in terms of reducing friction coefficient, force, temperature, and tool wear. Finally, research gaps and future exploration directions are prospected, giving researchers opportunity to deepen specific aspects and explore new area for achieving high precision surface machining of fiber-reinforced composites.

show abstract

Section: Materials Removal Mechanismmentioning

confidence: 99%

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

et al. 2022

View full text Add to dashboard Cite

show abstract

“…Liu et al [28] performed dry grinding and scratch tests at different fibre orientations (0°, 30°, 45° and 90°) which showed that the scratched surface for 30° and 45° was more severely damaged than for 0°. In the case of fibres oriented at 30°, 45° and 90°, the fibres were not completely removed due to the large bending deformation during the movement of the grid.…”

Section: Orthogonal Cutting and Scratch Tests To Enable The Understanding Materials Removal In Machining Of Cmcsmentioning

confidence: 99%

The new challenges of machining Ceramic Matrix Composites (CMCs): Review of surface integrity

Gavaldà-Diaz

Luna

Liao

et al. 2019

International Journal of Machine Tools and Manufacture

216

View full text Add to dashboard Cite

Ceramic Matrix Composites (CMCs) are currently an increasing material choice for several high value and safety-critical components, fact that has recently originated the need of understanding the effect of several machining processes. Due to the complex nature of CMCs -i.e. heterogeneous structure, anisotropic thermal and mechanical behaviour and generally the hard nature of at least one of the constituents (e.g. fibre or matrix)machining become extremely challenging as the process can yield high mechanical and thermal loads. Furthermore, the orthotropic, brittle and heterogeneous nature of CMCs result in different material removal mechanisms which lead to unique surface defects. Hence, this review paper attempts to provide an informative literature survey of the research done in the field of conventional and non-conventional machining of CMCs with a main focus on critically evaluate how different machining techniques affect the machined surfaces. This is achieved by exploring and recollecting the different material characterisation techniques currently used to observe and quantify the mechanical and thermal surface and subsurface damages and highlight their governing removal mechanisms.

show abstract

“…There were two main removal forms of carbon fibers in the grinding process: CF fragment (I) and CF debris (II), and the main removal form of matrices was SiC debris (III), Figure 7 [20].…”

Section: Surface Appearance and Grinding Mechanism Of Transverse Grinmentioning

confidence: 99%

“…The high quality surface could be obtained by grinding with diamond grinding wheel [17][18]. For composites grinding, 3D surface profile characterization was more comprehensive and scientific than traditional roughness characterization [19][20][21]. It was found that fiber orientation and grinding parameters were the significant influence factors of composites grinding, which had important effect on grinding force and surface quality [22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Effect of fiber orientation on surface microscopic characteristics of surface grinding of unidirectional C/SiC composites

Zhang

Wang

Huo

et al. 2019

Materialwissenschaft Werkst

View full text Add to dashboard Cite

Ceramic matrix composites have complex structures. For exploring the impact factors of machined surface quality and material removal mechanism, its internal structure must be decoupled, and then a unidirectional C/SiC composite was designed and fabricated in this paper. Through a series of representative surface grinding experiments, the machined surface of the composites was characterized by 3D profile test, and the microscopic characteristics and material removal mechanism of the grinding surface were discussed in detail. The results showed that the fiber orientation had a significant effect on the surface quality, and the order of 3D surface roughness was longitudinal > normal > transverse. On the basis of the systematic analysis of the microscopic characteristics of the machined surface, the brittle fracture was the dominant form of material removal in grinding process. Further, combined with 3D surface profile and surface micromorphology, the effect of fiber orientation on the removal mechanism of composites was revealed. The results not only enrich the machinability and improve the surface quality of unidirectional C/SiC composites, but also provide some guidance for grinding of the woven composites.

show abstract

Influence of grinding fiber angles on grinding of the 2D–Cf /C–SiC composites

Cited by 59 publications

References 15 publications

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

Fiber-reinforced composites in milling and grinding: machining bottlenecks and advanced strategies

The new challenges of machining Ceramic Matrix Composites (CMCs): Review of surface integrity

Effect of fiber orientation on surface microscopic characteristics of surface grinding of unidirectional C/SiC composites

Contact Info

Product

Resources

About