Crazing occurs in polymers, because the material is held together by a combination of weaker Van der Waals forces and stronger covalent bonds. Sufficient local stress overcomes the Van der Waals force, allowing a narrow gap.

Crazing involves the formation of small crack-shaped regions that are drawn down but remain constrained by the surrounding material. The drawn material ends up as ligaments that link the crazed surfaces. Eventually the crazes form cracks that lead to fracture.

As nouns the difference between crazing and crack is that crazing is a covering of fine cracks on a hard smooth surface such as a glazed object or car exterior while crack is (senseid)a thin and usually jagged space opened in a previously solid material.

Technically crazing is considered a defect in the glaze and can weaken the item. It may also harbor bacteria. So if you are buying pieces to use for serving food you should look for uncrazed pieces. … that morphs into a form of bacteria.

Crazing happens when the top layer of the acrylic pour painting dries faster than the underlying layer which is still wet. When this happens the top layer of the acrylic film will form a skin as it hardens and continues to stretch, and if it hardens too fast it will break.

Crazing – A series of very fine lines, stars, or haze when viewed at an angle in bright light. Crazing is below the surface and usually cannot be felt with the fingernail. Requires aggressive sanding to remove.

Crazing is one of the most common problems related to glaze defects. … Because glazes are a very thin coating, most will pull apart or craze under very little tension. Crazing can make a food safe glaze unsafe and ruin the look of the piece.

Crazing is the product of stress. Many factors can produce crazing including the composition and thickness of the glaze applied, the firing temperature, and the rate at which pieces are cooled after firing all of which affect the rate of shrinkage of a piece and its relationship to the glaze.

verb (used with object), crazed, craz·ing. to derange or impair the mind of; make insane: He was crazed by jealousy. to make small cracks on the surface of (a ceramic glaze, paint, or the like); crackle. … to become insane; go mad. to become minutely cracked, as a ceramic glaze; crackle.

If the client goes too long in between services, side walls are compromised and too much bulk and stress from the enhancements being too long for the wearer’s lifestyle or a poorly structured nail is likely to be the cause of a hairline crack and therefore a break of this kind.

In acrylic paint pouring, crazing is a term used to describe cracks or lines that appear once the painting has dried. … Some are the result of applying a paint, gel or medium a bit too generously, and others happen because external factors such as temperature, humidity, and airflow are not taken into account.

Although crazing is considered a glaze defect, it can also be corrected by adjusting the clay body. A glaze adjustment might not be possible if it is under so much tension that there is no room in the recipe for correction.

How to Remove Stains in Crazing in Porcelain Dishes

Glazed ware can be a safety hazard to end users because it may leach metals into food and drink, it could harbor bacteria and it could flake of in knife-edged pieces.

Crawling. Crawling is caused by a high index of surface tension in the melting glaze. It is triggered by adhesion problems, often caused by bad application. It occurs where a glaze is excessively powdery and does not fully adhere to the surface of the clay.

Aqualife has the technology and experience to repair professionally all scratches and crazing marks from PMMA acrylic sheets. Specifically we offer polishing repair services either on the wet or the dry side of the acrylic.

Use of curing compound on the surface prevents the rapid evaporation of moisture from concrete surface and crazing is prevented. Never sprinkle dry cement or a mixture of cement and fine sand on the surface of the plastic concrete to prevent the appearance of crazing.

Coffee mugs usually develop scratches over time but they are still safe to use. Crazing inside the mug may cause harmful trace elements from the leach into the drink. The glaze is likely to chip around the crazed areas and the fragments can mix with the drink and end up being ingested.

There are reasons why crazing is not ideal for functional pottery, however. Crazed pots may leak if the clay body is not totally vitrified, and potentially be unsanitary as bacteria can grow in the cracks.

Don’t drink out of mugs with crazing, unless perhaps you re-glaze with a better fitting clear glaze and fire again.

Soaking Solution For 2 cups of water, you’ll need 2 tablespoons of baking soda and 2 tablespoons of vinegar. Increase the added amounts in relation to the number of cups of water you use. Mix the solution, and soak the stained china for a few hours. Rinse and repeat until the china is clean.

Craze is defined as to become wildly excited or insane. A fan of an actor who becomes obsessed and stalks the actor is an example of craze by a fan. To produce a crackled surface or small cracks in the glaze of (pottery, porcelain, etc.) To become mentally ill.

1 : an exaggerated and often transient enthusiasm : mania the latest craze in music. 2 : a crack in a surface or coating (as of glaze or enamel)

Yes, craze is in the scrabble dictionary.

Graduated from ENSAT (national agronomic school of Toulouse) in plant sciences in 2018, I pursued a CIFRE doctorate under contract with Sun’Agri and INRAE ​​in Avignon between 2019 and 2022. My thesis aimed to study dynamic agrivoltaic systems, in my case in arboriculture. I love to write and share science related Stuff Here on my Website. I am currently continuing at Sun’Agri as an R&D engineer.