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Suddenly Last Summer (song),https://en.wikipedia.org/wiki/Suddenly_Last_Summer_(song),"""Suddenly Last Summer"" is a hit song by new wave band The Motels. It was the lead-off 45 from their RIAA Gold-certified fourth album Little Robbers. The single entered the Billboard Hot 100 at #60 on September 3, 1983 and peaked at #9 on November 19, 1983. ""Suddenly Last Summer"" peaked at number 18 on the Adult Contemporary chart and hit #1 on the U.S. Billboard Top Tracks chart, the only instance of a Motels song topping any US music chart. Two bootleg dance versions have been made of the song, one with a techno-like dance beat and another with a semi-tropical beat. Lead singer Martha Davis has said in various radio interviews that she wrote the song while reflecting on her life and ""how you know summer is ending when you hear the ice cream truck go by for the last time and you know he won't be back for a while"". An ice cream truck appears throughout the music video , which also features one of Davis' daughters and actor Robert Carradine as Davis' love interest. The single began climbing the Hot 100 as that summer turned to fall. Tennessee Williams, writer of the earlier same-named 1958 off-Broadway one-act play, died in February 1983, the same month The Motels returned to the studio to record Little Robbers. The song was included on the 1990 compilation album, No Vacancy: Best of the Motels. The B-side of the 7"" single was ""Some Things Never Change."" The song has appeared on the soundtrack of the TV show Breaking Bad. ",2017-11-18 21:37:18
Lüders bands, also known as ""slip bands"" or ""stretcher-strain marks,"" are localized bands of plastic deformation in metals experiencing tensile stresses, common to low-carbon steels and certain Al-Mg alloys. First reported by Guillaume Piobert and W. Lüders, the mechanism that stimulates their appearance is known as ""dynamic strain aging,"" or the inhibition of dislocation motion by interstitial atoms , around which ""atmospheres"" or ""zones"" naturally congregate. As internal stresses tend to be highest at the shoulders of tensile test specimens, band formation is favored in those areas. However, the formation of Lüders bands depends primarily on the microscopic and macroscopic geometries of the material. For example, a tensile-tested steel bar with a square cross-section tends to develop comparatively more bands than would a bar of identical composition having a circular cross-section. The formation of a Lüders band is preceded by a yield point and a drop in the flow stress. Then the band appears as a localized event of a single band between plastically deformed and undeformed material that moves with the constant cross head velocity. The Lüders Band usually starts at one end of the specimen and propagates toward the other end. The visible front on the material usually makes a well-defined angle typically 50–55° from the specimen axis as it moves down the sample. During the propagation of the band the nominal stress–strain curve is flat. After the band has passed through the material the deformation proceeds uniformly with positive strain hardening . Sometimes Lüders band transition into the Portevin–Le Chatelier effect while changing temperature or strain rate, this implies these are related phenomena Lüders bands are known as a strain softening instability.