4 votes

can ceramic be used as a building material?

One of the foundational principles of structural engineering is obviously safety. And one of the foundational aspects of safety is the ability to show warning signs prior to any accidents. In the case ...
  • 13k
4 votes

can ceramic be used as a building material?

structural ceramic does have some applications in things like engine parts, but its cost and manufacturing difficulty makes it a less ideal choice for something as large as a building foundation The ...
4 votes

Can Rotary Friction Welding be used to join metals and ceramics?

Probably not. The friction welding process presupposes a certain level of ductility so the mating surfaces can deform together and completely bond. Ceramics lack the deformation mechanisms that metals ...
3 votes
Accepted

What is the highest-temp castable refractory cement available?

There are a number of approaches to this, depending on exactly what you want to achieve. There are dense castable refractories which will operate up to 1800C. For small quantities the best source is ...
  • 15.1k
3 votes

Is it safe to stand on a toilet bowl?

An Australian bar in Hanoi, Vietnam, put up graphic photos in the bathroom of the horrendous injury that a customer who squatted on the bowl got when the porcelain broke suddenly, they fell with it ...
3 votes

Is it safe to stand on a toilet bowl?

There is another safety issue - the way the bowl is attached to the structure of the building. In the UK, the only structural attachment is by two (large) brass screws passing through cast holes in ...
  • 12.5k
2 votes

Use of ceramics in internal combustion engines - why and why not?

From my research, no-one is mass producing complete internal combustion engines. Trials of a reciprocating ceramic engine components were conducted by the Ford Motor Company, in the USA. During the ...
  • 9,527
2 votes

Use of ceramics in internal combustion engines - why and why not?

I don't know of anyone who's done this. Ceramic components certainly, but not an entire engine. A significant issue is tensile strength - while compressive strength is excellent with ceramic materials,...
2 votes

Use of ceramics in internal combustion engines - why and why not?

A search gives many links, such as Ford using zirconia ceramics and aircraft manufacturers using ceramics to increase the turbine inlet temperature : images and sources below: Source : http://...
  • 14.2k
2 votes

Is it safe to stand on a toilet bowl?

Toilet bowls aren't all the same so it impossible to say. Some may take it some may not. There are several factor at play. When climbing on the bowl you are putting load onto one leg and have some ...
  • 3,435
2 votes
Accepted

Exact definition of ceramics

The classic (materials science) definition of a ceramic is a compound that is held together by a network of covalent bonds. The fact that these bonds are directional means it is non-metallic- ...
2 votes
Accepted

What's the most cost-effective cutter bit material that can be used to machine aluminum oxide?

In industrial applications probably the closest approximation is in dressing bonded abrasive wheels. These use abrasive particles including aluminum oxide but a different bonding medium which makes ...
  • 15.1k
1 vote

can ceramic be used as a building material?

It is very common to use ceramics as a building material in the form of bricks. As the process of making ceramics requires heating to a very high temperature, it is not practical to make it in ...
  • 1,278
1 vote

Connect heated copper tube in PVC tube

Any thing you add at the ends to insulate the PVC from the intense heat will heat up itself after a short time. one way of dealing with this is to add approximately 3-5 feet of the copper pipe ...
  • 21.2k
1 vote

Methods for cutting glass

Waterjet cutters work like a charm up to 5mm. I have cut 'fireproof' glass of 4mm and it came out very well.
1 vote

What material should I use to store molten metal?

I would suggest a silicon carbide crucible. The melting point is like 3000k which should serve your purposes. Also as I recall, it is inert to most molten metals. You say you are testing slag with ...
1 vote

Is it safe to stand on a toilet bowl?

Safe for the Toilet Bowl : Yes Safe for you : If you can balance yourself properly ,Yes. I have climbed on the toilet bowl lots of time and nothing has happened
1 vote

Power from piezo material

This is wrong for at least two reasons. First, if you apply a constant force to the piezoelectric material, you will produce a voltage across it but no current will flow. You can only generate a ...
  • 12.5k

Only top scored, non community-wiki answers of a minimum length are eligible