Turbine ring assembly with improved axial pins

A turbine ring assembly comprising a plurality of ring sectors made of ceramic matrix composite material forming a turbine ring, defining an axial direction and a radial direction, and a ring support structure held by a turbine casing, each ring sector comprising a base from which an upstream hooking lug and a downstream hooking lug axially spaced from each other extend radially outwards, the ring support structure including an upstream radial clamp and a downstream radial clamp between which the upstream hooking lug and the downstream hooking lug of each ring sector are held, and the ring assembly comprising, for each ring sector, at least one pin and at least one passage passing axially through a downstream or upstream hooking lug over an axial length of the passage, said at least one pin cooperating with said at least one passage and one of the upstream or downstream radial clamps of the ring support structure,

• wherein the passage extends axially between an upstream end and a downstream end and is delimited by a planar inner surface extending over the axial length of the passage and, along a cutting plane including the axial direction, said at least one pin comprises a peripheral surface which has a planar bearing portion facing the inner surface of said passage through which the pin passes, said bearing portion of the peripheral surface of the pin facing the inner surface of the passage through which the pin extending axially over an axial length smaller than said axial length of the passage passes.