Process Analysis of Water Abrasive Fine Jet Structuring of Ceramic Surfaces via Design of Experiment

Experimental investigation on laser milling of aluminium oxide using a 30W Q-switched Yb:YAG fiber laser

“…In this case it is possible to obtain roughness in the narrow range, about 3-6 mm [24,25]. Those are lesser than the ones measured in [7,22].…”

“…Moreover, conventional processes for machining ceramics are typically associated with lower material removal rate (MRR), high tool wear and high manufacturing costs [1]. Different non conventional processes, such as Spark Erosion Processes (EDM and WEDM) and Abrasive Water Jet (AWJ), were proposed as alternative methods for machining of advanced ceramic [2][3][4][5][6][7]. Regarding EDM and WEDM, unfortunately most of the advanced technical ceramics are electrically non-conductive, consequently Spark Erosion Processes are limited on a few numbers of ceramic materials, or they need complex process, such as assisting electrode techniques [2] or the material doping [3], in order to machine non conductive ceramics.…”

“…However, Zeng and Kim [6] show that aluminium oxide are prone to network cracking because of fractures induced by impact mechanisms due to a high compressive load produced during machining. Dittrich et al [7] have proposed the use of fine AWJ machining in order to reduce the damages. The authors have found that fine AWJ is an effectiveness method to obtain high MRR, different kinds of surface texture and high process stability.…”

Resource efficient low power laser cleaning of compact discs for material reuse by polycarbonate recovery

“…In this phase, pre-design sheets were drawn up following the systematic approach for planning the designed experiments proposed by Montgomery [40] and Coleman and Montgomery [41] and successfully adopted in Leone et al [36,37], Palumbo et al [42], Dittrich et al [43], Squillace et al [44]. The sheets were implemented on the basis of the preliminary tests.…”

State-of-the-Art in Abrasive Water Jet Cutting Technology and the Promise for Micro- and Nano-Machining

“…Dittrich, M., et al [111] described how the process design is executed regarding productivity and machining precision using the design of experiments (DoE) for aluminium oxide Al 2 O 3 material. Water pressure, impact angle, abrasive flow rate, nozzle transverse speed and standoff distance were the processing parameters.…”