About: Grinding of alumina ceramic with microtextured brazed diamond end grinding wheels

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Grinding of alumina ceramic with microtextured brazed diamond end grinding wheels
Creator	Chen, Feng Ni, Yongqian Wu, Shixiong Yan, Zhiqiao Zhang, Fenglin
Source	Elsevier; Medline; PMC
abstract	Brazed monolayer diamond grinding wheels have advantages of a high abrasive bonding strength, high protrusion, and a large chip disposal space. However, it is difficult to prepare ordered and fine-grained brazed diamond grinding wheels. This study presents a new method for grain-arranged, brazed diamond grinding wheels with microtextures with similar performance to ordered and fine-grained brazed diamond grinding wheels. First, coarse diamond grains (18/20 mesh) were orderly brazed to fabricate the end grinding wheels. Next, a series of microtextures were ablated on the diamond grains using a pulsed laser, and two types of textured end grinding wheels—TG-G (ablated microgrooves only) and TG-GH (ablated microgrooves and microholes)—were prepared. Then, an experiment involving the grinding of alumina ceramics was performed, and the grinding characteristics and grinding mechanism were analyzed. The results indicated that compared with untextured diamond end grinding wheels (TG), the textured diamond grinding wheels (TG-G and TG-GH) significantly reduced the grinding force and the roughness of the machined surface. The local stress concentration at the microtextures promoted the formation of microcracks in the diamond grains of TG-G and TG-GH, and the self-sharpness of the grinding wheel was significantly improved. The brittle fracture mode of ceramic materials in grinding included intergranular fracture and transgranular fracture. Ironing pressure action was a key material-removal mechanism. It had an important influence on the cutting force and plasticity characteristics of the TG machined surface. For the surfaces processed by TG-G and TG-GH, the effect of ironing was weakened, while shearing played a more important role. The TG-GH grinding wheel ablated with microgrooves and microholes was superior to the TG-G grinding wheel ablated with only microgrooves, with regard to the grinding force, roughness, and self-sharpening.
has issue date	2020-05-25(xsd:dateTime)
bibo:doi	10.1016/j.ceramint.2020.05.009
bibo:pmid	32565606
has license	no-cc
sha1sum (hex)	d18fdbe0b6e159a6b098e45184520241df7401b8
schema:url	https://doi.org/10.1016/j.ceramint.2020.05.009
resource representing a document's title	Grinding of alumina ceramic with microtextured brazed diamond end grinding wheels
has PubMed Central identifier	PMC7263301
has PubMed identifier	32565606
schema:publication	Ceram Int
resource representing a document's body	covid:d18fdbe0b6e159a6b098e45184520241df7401b8#body_text
is schema:about of	named entity 'For' named entity 'brazed' named entity 'promoted' named entity 'pressure' named entity 'grinding' named entity 'ROLE' named entity 'PERFORMANCE' named entity 'SPACE' named entity 'MATERIALS' named entity 'space' named entity 'Next' named entity 'regard' named entity 'diamond grinding' named entity 'The' named entity 'grinding' named entity 'ordered' named entity 'cutting' named entity 'shearing' named entity 'orderly' named entity 'diamond grinding' named entity 'grinding wheels' named entity 'monolayer' named entity 'influence' named entity 'advantages' named entity 'brazed' named entity 'grinding wheel' named entity 'diamond grains' named entity 'brazed' named entity 'plasticity' named entity 'stress concentration' named entity 'Brazed' named entity 'transgranular fracture' named entity 'pulsed laser' named entity 'grinding wheels' named entity 'alumina ceramic' named entity 'diamond end' named entity 'focal length' named entity 'diamond grains' named entity 'surface profilers' named entity 'diamond grinding' named entity 'fracture toughness' named entity 'grinding wheels' named entity 'surface roughness' named entity 'SEM' named entity 'hardness' named entity 'grinding wheels' named entity 'scanning electron microscopy' named entity 'ablated' named entity 'grinding wheel' named entity 'laser' named entity 'laser' named entity 'brittle fracture' named entity 'vacuum brazing' named entity 'ceramics' named entity 'brittle materials' named entity 'diamond grains' named entity 'friction coefficient' named entity 'alloy' named entity 'grinding wheels' named entity 'ablated' named entity 'plastic deformation' named entity 'grinding wheel' named entity 'laser ablation' named entity 'surface roughness' named entity 'diamond grains' named entity 'diamond abrasive' named entity 'ablating' named entity 'crystal form' named entity '68.7%' named entity 'GPa' named entity 'thickness can be calculated' named entity 'grinding wheels' named entity 'diamond abrasive' named entity 'good heat' named entity 'surface roughness' named entity 'ablated' named entity 'diamond grains'

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