HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a honeycomb structure in which the strength of a partition is improved, and capable of effectively preventing erosion.SOLUTION: Provided is a honeycomb structure 100 comprising: a cylindrical honeycomb base material 10 having a porous partition 1 partitioningly forming a plurality of cells 2 elongating from the first edge face 11 made into the flow passage of a fluid to the second edge face 12; and a porous surface layer 13 arranged at the partition 1 of the honeycomb base material 10 and made of a material different from that of the partition 1, the surface layer 13 is made of any material among an oxide, a nitride and a carbide, the thermal conductivity of the surface layer 13 is 0.1 to 1.0 W/mK, and the porosity of the partition 1 is 25 to 35%.SELECTED DRAWING: Figure 1 【課題】隔壁の強度が向上され、エロージョンを有効に防止することができるハニカム構造体を提供する。【解決手段】流体の流路となる第一端面１１から第二端面１２まで延びる複数のセル２を区画形成する多孔質の隔壁１を有する筒状のハニカム基材１０と、ハニカム基材１０の隔壁１に配設された、隔壁１とは異なる材料からなる多孔質の表面層１３と、を備え、表面層１３が、酸化物、窒化物、及び炭化物のうちのいずれかの材料からなるものであり、表面層１３の熱伝導率が、０．１〜１．０Ｗ／ｍＫであり、隔壁１の気孔率が、２５〜３５％である、ハニカム構造体１００。【選択図】図１