鉛蓄電池用格子合金の耐食試験法の研究

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書誌事項

タイトル別名
  • Study on the Method of Evaluation of the Corrosion Test Results in Grid Alloy
  • ナマリ チクデンチヨウ ゴウシ ゴウキン ノ タイショク シケンホウ ノ ケンキュウ

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抄録

The corrosion resistance is one of the important factors of storage-battery anode-grid that determines the life of the battery itself. Up to this time, the corrosion resistance of grid has been estimated by measuring the absolute weight decrease due to corrosion within a specified period from the beginning, but such a test method is known to give unsatisfactory result because of the poor reproducibility of the values obtained. Therefore, the present study has been contemplated to find a better test method to be utilized conveniently. As a consequence, the corrosion was found to be influenced by various conditions namely, the structure or the surface conditions of the specimen, etc. at its initial stage and the situation was found to vary even in the repeated tests on the specimens of the same composition. The reproducibility of the results, therefore, is not good if the absolute value of weight change is to be compared as has been customally done. A new method of evaluation of the corrosion resistance by comparing the corrosion rate after its progress has become stationary has been presented. When the life of the battery is to be determined mostly by the corrosion of its grid, the life cycle values calculated from the test results by this new method of evaluation has been found coincide fairly well with the actually measured values in the life test of the battery.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (2), 147-151, 1961

    公益社団法人 日本金属学会

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