Not all crockery and utensils are dishwasher safe. In the article, you will find out which materials will be destroyed under high water pressure and temperature.
Aluminum is a little easier. Of course, hot water, acids and alkalis from the detergent will oxidize this metal, and it is better to wash aluminum utensils by hand. However, if a frying pan, pan or cauldron has a diamond or titanium coating, then nothing threatens them.
Copper utensils should not be washed in a dishwasher or in very hot water. To care for copper utensils, it is best to use special tools.
Do not wash cracked items, or those that you previously glued together. A bad option for washing plastic dishes, or ordinary glassware (all types of dishes are unstable to heat).
Tin, copper, steel products that are susceptible to rust and corrosion.
Porcelain dishes can and should be washed in the dishwasher. The only exceptions are porcelain sets, decorated with gold edging. Such dishes need careful care, because the ornament made of gilding is a rather fragile thing.
Plastic does not tolerate heat well, but check the product label for what care the cookware manufacturer recommends.