A laboratory design for uniaxial hot pressing

Mungekar, D S; Bhatt, Kislay; Singh, Anoop

doi:10.1007/bf02745040

Cited by 2 publications

(2 citation statements)

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“…The various mechanism perceived for the cold sintering is attributed to particle dissolution and reprecipitation, plastic deformation and hydrothermal-type process [ 51 , 52 , 53 , 54 , 55 , 56 ]. Various high pressure processing techniques used for materials processing are given in Table 1 [ 6 , 53 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 ], mainly at elevated temperature for various level of pressure regarding the technologies used.…”

Section: Discussion On Different Biomaterialsmentioning

confidence: 99%

“…The various mechanism perceived for the cold sintering is attributed to particle dissolution and reprecipitation, plastic deformation and hydrothermal-type process [51][52][53][54][55][56]. Various high pressure processing techniques used for materials processing are given in Table 1 [6,53,[57][58][59][60][61][62][63][64][65][66][67][68][69][70][71][72][73][74][75][76], mainly at elevated temperature for various level of pressure regarding the technologies used. The porous structure can be obtained by applying pressure for short time duration and/or lower temperature compensated by higher pressure (acting as driving Force) in these HP processes after the initiation of the necks, to avoid densification.…”

Section: Pressure-assisted Porous Scaffolds Fabricationmentioning

confidence: 99%

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Innovative High-Pressure Fabrication Processes for Porous Biomaterials—A Review

2021

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Biomaterials and their clinical application have become well known in recent years and progress in their manufacturing processes are essential steps in their technological advancement. Great advances have been made in the field of biomaterials, including ceramics, glasses, polymers, composites, glass-ceramics and metal alloys. Dense and porous ceramics have been widely used for various biomedical applications. Current applications of bioceramics include bone grafts, spinal fusion, bone repairs, bone fillers, maxillofacial reconstruction, etc. One of the common impediments in the bioceramics and metallic porous implants for biomedical applications are their lack of mechanical strength. High-pressure processing can be a viable solution in obtaining porous biomaterials. Many properties such as mechanical properties, non-toxicity, surface modification, degradation rate, biocompatibility, corrosion rate and scaffold design are taken into consideration. The current review focuses on different manufacturing processes used for bioceramics, polymers and metals and their alloys in porous forms. Recent advances in the manufacturing technologies of porous ceramics by freeze isostatic pressure and hydrothermal processing are discussed in detail. Pressure as a parameter can be helpful in obtaining porous forms for biomaterials with increased mechanical strength.

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