well wetted round both conductors, and will appear shiny and smooth.
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Almost all of the first aircraft engines were air cooled as this made for a lighter engine.
Both air cooled and water cooled machine guns have been made.
Computer chips are made from silicon because it's a natural semiconductor and is the second most abundant element on Earth. To make the wafers, silicon is purified, melted and cooled to form an ingot, then it is sliced into discs.
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The Wright Flyer was powered by a 12 hp water-cooled inline 4 cylinder engine which operated two propellers via bicycle chains. The engine was custom made by an employee as no suitable ready-made engine could be found.
soft solder is made of tin and lead. :D
solder and iron
Solder has been used for thousands of years, with evidence of its use dating back to around 4000 BC. The modern form of solder that we use today, typically made of a combination of tin and lead, was developed in the 19th century.
A reel of solder used for joining electrical circuits together on circuit boards. Solder is made of a mixture of tin and lead and sometimes has has flux (a form of acid) in the core of the solder to ensure a clean surface for the solder to flow into.
Solder
Plastic, solder, and resistors.
Traditional electronics solder also contains resin.
A Conductor, SOLDER IS NOT AN INSULATOR. The most common types of solder are made of tin and lead. Another type is silver solder. All of the materials used are metals and are good conductors of both heat and electricity. If you solder something you would notice if you ever held a wire (without protection) while applying solder to it your finger would probably receive a burn (speaking from experience).
To use a soldering iron, you must have a piece of solder, something to cool it down, eg a damp sponge and a mains plug socket.You must plug in the soldering iron and push the switch. Then, you must take your piece of solder, and with the soldering iron in one hand (Preferably your strongest hand) and your piece of solder in the other, you need to heat the tip of the soldering iron by feeding your piece of solder through the curved part of the soldering iron. This will melt the tip of the solder, and once you have melted about 5 millimetres, you are ready to go.You need to use your piece of solder to feed through the soldering iron once again, but this time, the melted solder (the gooy gray stuff) that comes out needs to be applied to the two pieces of metal you want to solder together. Once you have used about 2 centimetres of solder, the melted solder will have hopefully made a mountain shape that curves around the two pieces. Solder freezes VERY quickly so you only have to leave it for about 5-10 seconds, then give it a firm pull, and it should remain intact.ANSWER: The sponge is not to cool it down but rather to clean the tip from operation to operation. To begin with apply solder to the tip to tin it. Always use the right iron for the job. The idea is to melt the solder and make a good connection without heating and destroying the part. A good solder connection is a shiny connection. The application of solder flux will help the solder to flow and displace material present. There is no time limit or set time if it takes too long you got the wrong iron needs more heat in that case or a clean tip.prepare the items to be soldered so that they make a solid mechanical contactclean the surfaces with flux (if you are using "cored solder" this happens automatically)begin heating the items to be soldered with the soldering ironmelt a little bit of solder between the soldering iron and the items to be solderedas soon as the items to be soldered are hot enough to melt solder themselves melt solder into themimmediately remove the soldering iron and let the joint coolif the joint has smooth shiny surfaces you are done, otherwise the joint will be rough and crystalline looking (this is called a "cold joint") and you will have to apply more flux remelt it with the soldering iron and sometimes add a bit more solder. oddly enough a common cause of "cold joints" is overheating and burning off the flux you applied
Shouldn't, most of it is still made with lead.
Silver solder for orthodontics is typically made from an alloy of silver, copper, and cadmium. This type of solder is used to join metal components in orthodontic appliances due to its strength, durability, and ability to create secure bonds.
According to Wikipedia:"Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the filler metal having a lower melting point than the workpiece. Soldering differs from welding in that soldering does not involve melting the work pieces. In brazing, the filler metal melts at a higher temperature, but the workpiece metal does not melt. Formerly nearly all solders contained lead, but environmental concerns have increasingly dictated use of lead-free alloys for electronics and plumbing purposes."Soldering is a process whereby two or more metal parts (wires, component leads, pipes, etc.) are joined by the melting of a metal between them. The melting metal is known as solder. Traditionally, it was usually composed of an alloy of primarily tin and lead, but due to current environmental regulations, the use of lead in solder is becoming rare. In common useage, the phrases "solder joint" and "solder connection" mean the same thing (see below), and are used interchangeably. The word "connection" by itself can refer to either a "solder connection" or to the metal parts before they have been soldered. Confused? It's gets easier when you look at how the word or phrase is used in a sentence... as follows. The soldering process requires the heating of the parts of the connection to "wetting" temperature, the temperature at which the solder will chemicaly alloy with the metal parts being soldered. This temperature is dependant upon the alloy of solder that is being used; with " traditional" alloys, it is approximately 500 degrees F. Current no-lead solders require considerably higher wetting temperatures. In either case, if "wetting" temperature is not reached, when the solder is applied to the connection, it will melt and flow onto the metal parts, but will not alloy with them, thereby causing a "cold solder joint". By the way, cold solder joints are NOT usually dull and grainey. Dull and grainey solder joints are overheated. Cold solder joints appear uneven and lumpy, and lay on the surface of the connection like water on a waxed car hood - the solder does not flow out smoothly. Depending on the application, the heat required to make the solder connection can be provided by a soldering iron, a solder gun, a torch, or a hot-air gun. Other methods exist, but are usually used only in automated processes. When a solder connection has been made properly, the connection is solid metal; there is no barrier or space between the parts of the connection. Essentially, the solder has blended with the parts of the connection, forming what is called an "interrmetallic alloy". The intermetallic alloy forms where the space between the parts was before the soldering was perforrmed. Without the formation of the intermetalic alloy, a true solder connection has not been created; what would exist would be "encapsulation" or simple "adhesion", but not a solder connection. This type of metal-to-metal connection is mechanically weak when comaperd to a solder joint, and will not provide the long term reliability and low electrical resistance that a true solder joint will provide.Soldering is a process whereby two or more metal parts (wires, component leads, pipes, etc.) are joined by the melting of a metal between them. The melting metal is known as solder. Traditionally, it was usually composed of an alloy of primarily tin and lead, but due to current environmental regulations, the use of lead in solder is becoming rare. In common useage, the phrases "solder joint" and "solder connection" mean the same thing (see below), and are used interchangeably. The word "connection" by itself can refer to either a "solder connection" or to the metal parts before they have been soldered. Confused? It's gets easier when you look at how the word or phrase is used in a sentence... as follows. The soldering process requires the heating of the parts of the connection to "wetting" temperature, the temperature at which the solder will chemicaly alloy with the metal parts being soldered. This temperature is dependant upon the alloy of solder that is being used; with " traditional" alloys, it is approximately 500 degrees F. Current no-lead solders require considerably higher wetting temperatures. In either case, if "wetting" temperature is not reached, when the solder is applied to the connection, it will melt and flow onto the metal parts, but will not alloy with them, thereby causing a "cold solder joint". By the way, cold solder joints are NOT usually dull and grainey. Dull and grainey solder joints are overheated. Cold solder joints appear uneven and lumpy, and lay on the surface of the connection like water on a waxed car hood - the solder does not flow out smoothly. Depending on the application, the heat required to make the solder connection can be provided by a soldering iron, a solder gun, a torch, or a hot-air gun. Other methods exist, but are usually used only in automated processes. When a solder connection has been made properly, the connection is solid metal; there is no barrier or space between the parts of the connection. Essentially, the solder has blended with the parts of the connection, forming what is called an "interrmetallic alloy". The intermetallic alloy forms where the space between the parts was before the soldering was perforrmed. Without the formation of the intermetalic alloy, a true solder connection has not been created; what would exist would be "encapsulation" or simple "adhesion", but not a solder connection. This type of metal-to-metal connection is mechanically weak when comaperd to a solder joint, and will not provide the long term reliability and low electrical resistance that a true solder joint will provide.