Oh, dude, a steel ship becomes magnetized during construction because the Earth's magnetic field aligns the magnetic domains in the steel as it cools. It's like the ship is getting its own little magnetic makeover while it's being built. So, yeah, that's why your ship might be feeling a bit more attractive after construction.
Steel is not naturally magnetic, but it can become magnetic through a process called magnetization. When exposed to a strong magnetic field or when heated and then quickly cooled, steel can acquire magnetism.
Iron is a better core material than steel for applications that require high magnetic permeability due to its higher saturation magnetization. This makes iron cores more efficient in transferring magnetic fields. Additionally, iron cores have lower hysteresis losses compared to steel cores.
Because they are not solid shapes... they are shaped so as to be lighter than water when you look at their overall volume. It's like a child's balloon. Uninflated, it lies on the ground and doesn't move. But fill it with air and it floats in the air. Suddenly there is less density than there was.
for an electromagnet, you need a core material with low remnance. That is, when you remove the magnetomotive force (current in the coil) the core will (mostly) demagnetise and let the load or armature go. Iron or silicon steel has this property. Other steel alloys do not necessarily have this property. They have a high remnance which means they remain highly magnetised even wjen the mmf is removed. This is an undesirable property for an electromagnet.
RSC, an abbreviation for Rawls Student Center, is a building located at a university campus. It is not made of white gold, but rather constructed with traditional building materials like concrete, steel, and glass.
what is the diffrence between a magnetised nail and a unmagnetised nail
Only if the steel bolt has been magnetised, or is the core of an electromagnet.
magnets attract steel why then is a compass needle affected by a pice of steel if the steel is not magnetised
Because I said so Because steel remains magnetised Source: me
Welding, in short. Welding steel which contains iron will magnetize it as running an electric current through it will create a temporary magnetic field. This field will magnetize the iron in the steel and therefore give the ship a field of its own.
Short Answer: Yes. Long Answer: Yes.
Only if the steel bolt has been magnetised, or is the core of an electromagnet.
A steel ship can become magnetized during construction due to the magnetic fields generated by electric currents used in welding and other processes. As the steel cools down in the presence of these magnetic fields, it can retain some magnetization.
Metals can be magnetised which can produce an attractive force.
Contrary to popular belief, most metals cannot be magnetised. The only common metals that can be magnetised are iron, cobalt and nickel. Mild steel, an alloy that contains over 98% iron, can also be magnetised because of its high iron content. Some steels, such as some stainless steels, have larger percentages of other metals which prevent them from being magnetised the same way.
If your screwdriver blade is magnetised it will attract regular steel screws but not stainless steel or those with a coating.
The strong magnetised nail will pick up more paper clips than the weak magnetised nail.That is because the strong magnetised nail is getting more strength and that means that the weak magnetised nail is getting less strength.in a steel nail there are these things called domains, in a weakly magnetised nail some of them will be pointing north, south, east and west, but however in a strongly magnetised nail all the domains will point to north.