Erosion Phenomenon Caused by Water Droplet Impingement and Life Prediction of Industrial Materials: Part2-Establishment of predictive equations and evaluation of material performance

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Other Title
  • 液滴衝突エロージョン現象と実用材料の寿命予測　　第２報―推算式の確立と材料評価法
  • エキテキ ショウトツ エロージョン ゲンショウ ト ジツヨウ ザイリョウ ノ ジュミョウ ヨソク ダイ 2ホウ スイサンシキ ノ カクリツ ト ザイリョウ ヒョウカホウ
  • Part2 — Establishment of predictive equations and evaluation of material performance
  • 第2報―推算式の確立と材料評価法

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Abstract

It is necessary to evaluate material performance from erosion tests under known water impingement conditions, in order to derive effective equations for estimating and predicting damage and life span of practical materials which suffer from erosion caused by water droplet impingement. Using a water-jet testing apparatus, impingement conditions of water droplets were obtained with aluminum foils mounted on aluminum specimen surfaces under several operating conditions. Fundamental equations for estimating erosion damage to materials were proposed in the previous paper. In this paper, effects of impingement parameters such as velocity, frequency and diameter of water droplets on erosion behaviors were investigated with water droplet erosion tests for ordinary carbon steel, stainless steel and carbon tool steel as industrial materials. As a result, estimative equations of materials for erosion by water droplet impingement were precisely derived and validated from the test results. This paper introduced life predictions of industrial materials with the incubation period which is one of most important factors in the erosion behavior.

Journal

  • Zairyo-to-Kankyo

    Zairyo-to-Kankyo 57 (3), 146-152, 2008

    Japan Society of Corrosion Engineering

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