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2. Bearing (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Bearing_(mechanical)

   A ball bearing. A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts.The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts.

3. List of brazing alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_brazing_alloys

   F Bronze. For brazing tungsten carbide to steels. Primarily used for rock drills or when simultaneous heat treatment is required. 57: 38: 2: 2: Cu 86 Zn 10 Co 4: Cu–Zn 960/1030 [69] – D Bronze. For brazing tungsten carbide to steels. Primarily used for rock drills or when simultaneous heat treatment is required. 86: 10: 4: Cu 85 Sn 8 Ag 7 ...

4. Plain bearing - Wikipedia

   en.wikipedia.org/wiki/Plain_bearing

   Bi-material bearings consist of two materials, a metal shell and a plastic bearing surface. Common combinations include a steel-backed PTFE-coated bronze and aluminum-backed Frelon. [17] Steel-backed PTFE-coated bronze bearings are rated for more load than most other bi-metal bearings and are used for rotary and oscillating motions.

5. Babbitt (alloy) - Wikipedia

   en.wikipedia.org/wiki/Babbitt_(alloy)

   The two halves of the bearing are then split at the shim, the shim removed, the oil holes cleared of metal and oil ways are cut into the surface of the new bearing. The shaft is smeared with engineer's blue and rotated in the bearing. When the bearing is disassembled the blue fills the hollows and is rubbed off the high spots, making them visible.

6. Bismuth bronze - Wikipedia

   en.wikipedia.org/wiki/Bismuth_bronze

   Bismuth bronze or bismuth brass is a copper alloy which typically contains 1-3% bismuth by weight, although some alloys contain over 6% Bi. This bronze alloy is very corrosion -resistant, a property which makes it suitable for use in environments such as the ocean.

7. List of named alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_named_alloys

   Bronze (tin, aluminum or other element) Aluminium bronze ; Arsenical bronze (arsenic, tin) Bell metal ; Bismuth bronze ; Brastil (alloy, bronze) [5] [6] Florentine bronze (aluminium or tin) Glucydur (beryllium, iron) Guanín (gold,silver) Gunmetal (tin, zinc) Phosphor bronze (tin and phosphorus) Ormolu ; Silicon bronze (tin, arsenic, silicon)