![]() ![]() Monel rivets are used for riveting nickel-steel alloys. The corrosion resistant steel rivets are for riveting corrosion resistant steels in firewalls, exhaust stack brackets, and similar structures. Mild steel rivets are used for riveting steel parts. The 5056 rivet is used for riveting magnesium alloy structures because of its corrosion resistant qualities in combination with magnesium. The 2017-T rivet should be driven within approximately 1 hour and the 2024-T rivet within 10 to 20 minutes after removal from refrigeration. These rivets are annealed and must be kept refrigerated until they are to be driven. ![]() The 2017-T and 2024-T rivets are used in aluminum alloy structures where more strength is needed than is obtainable with the same size 2217-T rivet. It also has a high resistance to corrosion. The field rivet is in wide demand because it is ready for use as received and needs no further heat treating or annealing. The 2117-T rivet, known as the field rivet, is used more than any other for riveting aluminum alloy structures. The riveting of map cases is a good example of where a rivet of 1100 aluminum alloy may be used. It is for riveting the softer aluminum alloys, such as 1100, 3003, and 5052, which are used for nonstructural parts (all parts where strength is not a factor). The 1100 rivet, which is composed of 99.45 percent pure aluminum, is very soft. The strength and temper conditions of aluminum alloy rivets are identified by digits and letters similar to those adopted for the identification of strength and temper conditions of aluminum and aluminum alloy stock. The material used for the majority of aircraft solid shank rivets is aluminum alloy. The temper designation and strength are indicated by special markings on the head of the rivet. The designation of the solid shank rivet head type, such as universal head, roundhead, flathead, countersunk head, and brazier head, depends on the cross sectional shape of the head. They are identified by the kind of material of which they are made, their head type, size of shank, and their temper condition. Solid shank rivets are generally used in repair work. Two of the major types of rivets used in the aircraft are the common solid shank type, which must be driven using a bucking bar, and the special (blind) rivets, which may be installed where it is impossible to use a bucking bar. In addition to their use for joining aircraft skin sections, rivets arc also used for joining spar sections, for holding rib sections in place, for securing fittings to various parts of the aircraft, and for fastening innumerable bracing members and other parts together. The shop head functions in the same manner as a nut on a bolt. The second head, formed either by hand or by pneumatic equipment, is called a "shop head." The shank of the rivet is placed through matched holes in two pieces of material, and the tip is then upset to form a second head to clamp the two pieces securely together. A head is formed on one end when the rivet is manufactured. It is the most common method used to fasten or join aluminum alloys in aircraft construction and repair.Ī rivet is a metal pin used to hold two or more metal sheets, plates, or pieces of material together. ![]() Riveting is satisfactory from the standpoint of strength and neatness, and is much easier to do than welding. To make a good union and a strong joint, aluminum parts can be welded, bolted, or riveted together. The process used must produce a union that will be as strong as the parts that are joined.Īluminum and its alloys are difficult to solder. Several methods are used to hold metal parts together they include riveting, bolting, brazing, and welding. An aircraft, even though made of the best materials and strongest parts, would be of doubtful value unless those parts were firmly held together.
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