Products made by baking or firing nonmetallic minerals (clay and similar materials). In making dental restorations or parts of restorations the... | Contact experts in Ceramics to get answers
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Questions related to Ceramics
I read an article which stated that resin modified glass ionomer cement (RMGIC) cannot be used for cementation of ceramic veneers due to development of hygroscopic expansion leading to fracture...
12 March 2020 3,914 4 View
As you know, FGMs usually include metal and ceramic. Also, These materials have been used in high temperature environments. Based on the references, there are few temperature dependent materials...
24 February 2020 6,994 4 View
Dear researchers ; I find difficulties to calculate the weight contents (mass%) of kaolin, talc, and alumina corresponding to the ratio of MgO:SiO2:Al2O3. Could you help me please ? Thanks...
20 February 2020 6,888 3 View
I am looking for a suitable silane coupling agent to bond a nano dispersmement of ceramic to a metal material used in a filtration system. I am looking for a suitable agent that would prevent...
13 February 2020 8,128 1 View
How tolerance factor in ABO3 ceramics is related to spontaneous polarization? Is there any mathematical relation between them?
28 January 2020 4,064 3 View
As per the definition, Hardness is the resistance to the deformation. But, deformation can be seen in plastic materials only. ceramics are brittle in nature. So, the material will break when it...
25 January 2020 4,783 3 View
since ceramics are usually of non conductance or relatively low conductivity as campared to metals, but still there are certain ceramics with sufficient thermal and/or electrical conductivity, and...
22 January 2020 4,568 3 View
Far-infrared ceramic beads can emit infrared radiation ; but can not all object at nonzero absolute temperature emit blackbody radiation? What is special about these ceramic beads that are used in...
19 January 2020 7,023 1 View
What is the best proportion in producing alumina-zirconia ceramic inclusive of other additives such as Calcium oxide, silicon oxide, iron oxide, magnesium oxide etc.
17 January 2020 5,234 4 View
Recently I observed a comparatively strong contrast between grains in SEM micrographs of Yttria-stabilized Zirconia (3YSZ). Microstructure is shown in the attached file. Both samples had been...
13 January 2020 5,096 3 View
Hello. I am looking for a bicrystal fabrication company. My major is focusing on the exploration of grain boundary structure. And thus for a model experiment I need metal*or ceramic**...
09 January 2020 4,221 3 View
How is PVA powder (binder) added to the ceramic powder (SiC) for additive manufacturing a component?
08 January 2020 9,010 3 View
Is there a particular advantage to using copper dishes over Teflon or ceramic dishes in the quality of cooked foods from a nutrition standpoint?
02 January 2020 10,021 4 View
suppose the fireclay is kaolin. the formation of metakaolin at about 600 C- can it be reverted? Progressive temperature rise causes spinel-like 2Al2O3.3SiO2 at about 950 C and mullite formation at...
30 December 2019 4,891 3 View
I am making a polyurethan film using a ceramic mold and after maturation at 110 Celsius it’s hard for me to strip it off from the ceramic mold. Any chemicals that I should add?
30 December 2019 9,112 3 View
I am always ending up with error 'invalid c/a ratio' for any value of c/a. Did anyone else also faced this issue? Thank you for your help.
30 December 2019 8,828 5 View
Dear all, it is said that, Toughness, in contrast to resilience, is how much energy can be absorbed and still keep going. In the case of materials, the amount of energy that the material can...
15 December 2019 4,578 3 View
I am doing some processing operations on zirconia-based ceramics, which might lead to an increase in oxygen vacancy concentration. I want to quantify the change in oxygen vacancy concentration...
12 December 2019 7,810 4 View
Dear experts, I am in need of some information regarding vacuum furnace which can be avail anywhere in India. The tests are required up to 1500 °C temperature and 10-5 mbar or more.
06 December 2019 5,863 2 View
I need some information regarding a suggestion for piezo linear amplifier/High voltage amplifier suitable to operate at a peak voltage of 500V/mm for piezo ceramic patches (Rectangular C-91)....
28 November 2019 8,649 8 View
Hello there, We have found CO2-Peaks on different aged clay ceramics by STA/DTA-FTIR analysis at approx. 300-400°C and 500-600°C. We found no Carbonates with the XRD. Does anyone have an idea here?
22 November 2019 9,355 2 View
Cast iron is metal, not ceramic. But it is brittle, and quite strong. What can be additives that can be added to increase its strength, corrosion resistance and high temperature stability so that...
16 November 2019 6,926 3 View
I am working on glasses. what exactly the Positive and Negative change in Derivative Thermogravimetry (DTG) with TGA mass change signifies.
06 November 2019 7,003 5 View
The toughness and resilience are calculated when tensile load is applied. Will a material absorb same energy when a impact load is applied such as bullet fired on the material front face? Which...
01 November 2019 5,118 2 View