Current testing requirements for high temperature alloys are defined in general industry specifications (ASTM, AMS), as well as in user specifications. Many of these requirements were established in the 1960's when production practices were yet to be refined.
cowling - protective covering consisting of a metal part that covers the engine; there are powerful engines under the hoods of new cars; the mechanic removed the cowling in order to repair the plane's engine.
Enter your car for a more accurate estimate. The electronic control unit (ECU) used in todayâs cars and trucks is used to control the engine and other componentsâ functions. An ECU is a computer with internal pre-programmed and programmable computer chips that is not much different from a home computer or laptop. The vehicleâs engine computer ECU is used to operate the engine by using input sensors and output components to control all engine functions.