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GB686809A - Improvements relating to the construction of bimetallic articles - Google Patents

Improvements relating to the construction of bimetallic articles

Info

Publication number
GB686809A
GB686809A GB30264/50A GB3026450A GB686809A GB 686809 A GB686809 A GB 686809A GB 30264/50 A GB30264/50 A GB 30264/50A GB 3026450 A GB3026450 A GB 3026450A GB 686809 A GB686809 A GB 686809A
Authority
GB
United Kingdom
Prior art keywords
layer
thickness
aluminium
making
articles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB30264/50A
Inventor
Charles Edward Stevens Jr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fairchild Engine and Airplane Corp
Original Assignee
Fairchild Engine and Airplane Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fairchild Engine and Airplane Corp filed Critical Fairchild Engine and Airplane Corp
Priority to GB30264/50A priority Critical patent/GB686809A/en
Publication of GB686809A publication Critical patent/GB686809A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/10—Drums for externally- or internally-engaging brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/02—Shaping by casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/40—Shaping by deformation without removing material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • F16C2220/66—Shaping by removing material, e.g. machining by milling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F16C2223/44—Coating surfaces by casting molten material on the substrate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1332—Structure external ribs, e.g. for cooling or reinforcement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Laminated Bodies (AREA)

Abstract

686,809. Making composite articles. FAIRCHILD ENGINE & AIRPLANE CORPORATION. Dec. 11, 1950, No. 30264/50. Class 83 (ii). [Also in Group XXXIV] In a method of making a composite metal article comprising a ferrous part bonded to an aluminium base alloy part by means of an alloy composed predominantly of the two metals and having opposite thermal stress conditions in the two parts at ordinary temperatures, the thickness of the aluminium alloy part is so chosen that such stress conditions are maintained at high temperatures instead of becoming reversed. The invention is described as applied to making a brake drum having an inner steel drum 10 bonded to an outer heat conducting and dissipating member 11 of aluminium base alloy by a bonding film 12 of ferro-aluminium. When fully cooled from the bonding operation, the outer member 11 will be in tension and the inner member 10 and film 12 in compression as a result of the different coefficients of expansion of the materials. These stresses tend to become reversed and so weaken the bond if the temperature rises, as it may do in use, to between 600‹ and 1100‹ F. For an outer aluminium alloy layer of a thickness exceeding about one inch, the temperature at which the stress reversal occurs is approximately constant and then increases rapidly with decreasing thickness of the layer. The thickness of the layer required in order to avoid stress reversal at a given maximum working temperature may be calculated. The invention may be applied to articles such as pistons, cylinders, bearings and vacuum tube casings. A heatconducting layer may similarly be applied to the sides of a gear-wheel or to the side and flat bottom of a cooking utensil.
GB30264/50A 1950-12-11 1950-12-11 Improvements relating to the construction of bimetallic articles Expired GB686809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB30264/50A GB686809A (en) 1950-12-11 1950-12-11 Improvements relating to the construction of bimetallic articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30264/50A GB686809A (en) 1950-12-11 1950-12-11 Improvements relating to the construction of bimetallic articles

Publications (1)

Publication Number Publication Date
GB686809A true GB686809A (en) 1953-01-28

Family

ID=10304890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30264/50A Expired GB686809A (en) 1950-12-11 1950-12-11 Improvements relating to the construction of bimetallic articles

Country Status (1)

Country Link
GB (1) GB686809A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012052647A1 (en) 2010-10-22 2012-04-26 Peugeot Citroën Automobiles SA Brake drum, in particular for a motor vehicle, comprising an over-molding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012052647A1 (en) 2010-10-22 2012-04-26 Peugeot Citroën Automobiles SA Brake drum, in particular for a motor vehicle, comprising an over-molding
FR2966537A1 (en) * 2010-10-22 2012-04-27 Peugeot Citroen Automobiles Sa BRAKE DRUM, IN PARTICULAR FOR MOTOR VEHICLE, COMPRISING OVERMOLDING

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