{'fraction_non_alphanumeric': 0.016194331983805668, 'fraction_numerical': 0.008097165991902834, 'mean_word_length': 5.1875, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Investment Casting in Silica Aerogels

This paper describes the experimental observation of the casting and solidification process in silica aerogel molds. The form filling process and the time dependent temperature field are detected with a NIR-CCD camera utilizing the transparency of aerogels. The as-cast microstructure is related to the solidification conditions. The experiments were made with AlSi7 and AlSi7Mg0.5 alloys. The potential of silica aerogels as a mold material is discussed.