Cerrosafe is a fusible alloy with a low melting point. It is a non-eutectic mixture consisting of 42.5% bismuth, 37.7% lead, 11.3% tin, and 8.5% cadmium that melts between 158 °F (70 °C) and 190 °F (88 °C). It is useful for making reference castings whose dimensions can be correlated to those of the mold or other template due to its well-known thermal expansion properties during cooling. The alloy contracts during the first 30 minutes, allowing easy removal from a mold, then expands during the next 30 minutes to return to the exact original size. It then continues expanding at a known rate for 200 hours, allowing conversion of measurements of the casting back to those of the mold.
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| - Cerrosafe (en)
- セロセーフ (ja)
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| - Cerrosafe is a fusible alloy with a low melting point. It is a non-eutectic mixture consisting of 42.5% bismuth, 37.7% lead, 11.3% tin, and 8.5% cadmium that melts between 158 °F (70 °C) and 190 °F (88 °C). It is useful for making reference castings whose dimensions can be correlated to those of the mold or other template due to its well-known thermal expansion properties during cooling. The alloy contracts during the first 30 minutes, allowing easy removal from a mold, then expands during the next 30 minutes to return to the exact original size. It then continues expanding at a known rate for 200 hours, allowing conversion of measurements of the casting back to those of the mold. (en)
- セロセーフは、融点が70℃(カ氏温度で158°F)の低融点合金で、42.5%のビスマスと37.7%の鉛、11.3%のスズ、8.5%のカドミウムからなる非共晶合金である。熱膨張特性があるため、鎔笵や他のテンプレートの寸法と相関させることができ、鋳物の作成に役立つ。合金は最初の30分間で収縮するため、鎔笵から簡単に取り外すことができる。その後、30分かけて膨張し、その後も既知の速度で200時間膨張し続け、鋳物のサイズは鎔笵と同じサイズに戻る。 (ja)
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| - Cerrosafe is a fusible alloy with a low melting point. It is a non-eutectic mixture consisting of 42.5% bismuth, 37.7% lead, 11.3% tin, and 8.5% cadmium that melts between 158 °F (70 °C) and 190 °F (88 °C). It is useful for making reference castings whose dimensions can be correlated to those of the mold or other template due to its well-known thermal expansion properties during cooling. The alloy contracts during the first 30 minutes, allowing easy removal from a mold, then expands during the next 30 minutes to return to the exact original size. It then continues expanding at a known rate for 200 hours, allowing conversion of measurements of the casting back to those of the mold. (en)
- セロセーフは、融点が70℃(カ氏温度で158°F)の低融点合金で、42.5%のビスマスと37.7%の鉛、11.3%のスズ、8.5%のカドミウムからなる非共晶合金である。熱膨張特性があるため、鎔笵や他のテンプレートの寸法と相関させることができ、鋳物の作成に役立つ。合金は最初の30分間で収縮するため、鎔笵から簡単に取り外すことができる。その後、30分かけて膨張し、その後も既知の速度で200時間膨張し続け、鋳物のサイズは鎔笵と同じサイズに戻る。 (ja)
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