{"id":775,"date":"2025-12-11T08:29:56","date_gmt":"2025-12-11T08:29:56","guid":{"rendered":"https:\/\/www.materialstests.com\/?p=775"},"modified":"2025-12-11T08:29:58","modified_gmt":"2025-12-11T08:29:58","slug":"understanding-astm-d4974-hot-air-shrinkage-test-for-yarn-and-cord","status":"publish","type":"post","link":"https:\/\/www.materialstests.com\/ja\/news\/understanding-astm-d4974-hot-air-shrinkage-test-for-yarn-and-cord.html","title":{"rendered":"ASTM D4974\uff1a\u7cf8\u3068\u30b3\u30fc\u30c9\u306e\u71b1\u98a8\u53ce\u7e2e\u8a66\u9a13\u306b\u3064\u3044\u3066\u7406\u89e3\u3059\u308b"},"content":{"rendered":"

\u5de5\u696d\u7528\u30db\u30fc\u30b9\u7528\u88dc\u5f37\u7cf8\u3068\u88dc\u5f37\u7cf8<\/h2>\n\n\n\n

\u30ca\u30a4\u30ed\u30f3\u3084\u30dd\u30ea\u30a8\u30b9\u30c6\u30eb\u306a\u3069\u306e\u5408\u6210\u7cf8\u306f\u3001\u71b1\u306b\u3055\u3089\u3055\u308c\u305f\u3068\u304d\u306e\u53ce\u7e2e\u7387\u304c\u6bd4\u8f03\u7684\u9ad8\u3044\u3053\u3068\u3067\u77e5\u3089\u308c\u3066\u3044\u308b\u3002\u62bc\u3057\u51fa\u3057\u5f8c\u306e\u7269\u7406\u7684\u30fb\u6a5f\u68b0\u7684\u7279\u6027\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u305f\u3081\u3001\u3053\u308c\u3089\u306e\u7cf8\u306f\u4e00\u822c\u7684\u306b\u30d2\u30fc\u30c8\u30bb\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u304b\u3051\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u5de5\u7a0b\u3067\u306f\u3001\u9ad8\u6e29\u3067\u5236\u5fa1\u3055\u308c\u305f\u5f35\u529b\u4e0b\u3067\u7cf8\u3092\u5ef6\u4f38\u3057\u3001\u7e4a\u7dad\u306e\u7d50\u6676\u5316\u5ea6\u3068\u5185\u90e8\u69cb\u9020\u3092\u6c38\u4e45\u7684\u306b\u5909\u5316\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u5de5\u7a0b\u306b\u3088\u308a\u3001\u7cf8\u306f\u305d\u306e\u5f8c\u306e\u9ad8\u6e29\u52a0\u5de5\u306b\u304a\u3044\u3066\u3082\u5bf8\u6cd5\u5b89\u5b9a\u6027\u3068\u6a5f\u68b0\u7684\u7279\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

\u6e29\u5ea6\u3001\u5f35\u529b\u3001\u66b4\u9732\u6642\u9593\u306a\u3069\u3001\u6b63\u78ba\u306a\u30d2\u30fc\u30c8\u30bb\u30c3\u30c8\u6761\u4ef6\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u9020\u696d\u8005\u306f\u7cf8\u306e\u53ce\u7e2e\u7387\u3001\u5f37\u5ea6\u3001\u5f3e\u6027\u3092\u8abf\u6574\u3057\u3001\u7279\u5b9a\u306e\u6027\u80fd\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9069\u5207\u306b\u30d2\u30fc\u30c8\u30bb\u30c3\u30c8\u3055\u308c\u305f\u7cf8\u306f\u3001\u30b4\u30e0\u52a0\u786b\u306a\u3069\u306e\u4e0b\u6d41\u5de5\u7a0b\u3067\u5909\u5f62\u3057\u306b\u304f\u304f\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u5de5\u696d\u7528\u9014\u3067\u9577\u671f\u5b89\u5b9a\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

ASTM D4974\uff1a\u76ee\u7684\u3068\u7528\u9014<\/h2>\n\n\n\n

ASTM D4974\u898f\u683c\u306f\u3001\u30ca\u30a4\u30ed\u30f3\u3001\u30dd\u30ea\u30a8\u30b9\u30c6\u30eb\u3001\u30a2\u30e9\u30df\u30c9\u7e4a\u7dad\u306a\u3069\u306e\u8010\u71b1\u7cf8\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6750\u6599\u306f\u3001\u30bf\u30a4\u30e4\u30b3\u30fc\u30c9\u3001\u30d9\u30eb\u30c8\u88dc\u5f37\u6750\u3001\u304a\u3088\u3073\u52a0\u786b\u3092\u884c\u3046\u305d\u306e\u4ed6\u306e\u6a5f\u68b0\u7684\u30b4\u30e0\u88fd\u54c1\uff08MRG\uff09\u306b\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u52a0\u786b\u306e\u969b\u3001\u30b4\u30e0\u306f\u6700\u7d42\u7684\u306a\u6a5f\u68b0\u7684\u30fb\u7269\u7406\u7684\u7279\u6027\u3092\u5f97\u308b\u305f\u3081\u306b\u9ad8\u71b1\u306b\u3055\u3089\u3055\u308c\u308b\u3002\u7cf8\u306b\u9ad8\u3044\u71b1\u53ce\u7e2e\u6027\u304c\u3042\u308b\u3068\u3001\u3053\u306e\u904e\u7a0b\u3067\u30db\u30fc\u30b9\u3084\u30d9\u30eb\u30c8\u306a\u3069\u306e\u90e8\u54c1\u304c\u53ce\u7e2e\u3057\u3001\u6700\u7d42\u88fd\u54c1\u306e\u5bf8\u6cd5\u3084\u6027\u80fd\u304c\u640d\u306a\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\u9069\u5207\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u5f93\u3063\u3066\u614e\u91cd\u306b\u71b1\u30bb\u30c3\u30c8\u3055\u308c\u305f\u4f4e\u53ce\u7e2e\u7cf8\u306f\u3001\u71b1\u306b\u3055\u3089\u3055\u308c\u3066\u3082\u5bf8\u6cd5\u5909\u5316\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u9ad8\u3044\u71b1\u5b89\u5b9a\u6027\u3001\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3001\u30b4\u30e0\u3084\u305d\u306e\u4ed6\u306e\u71b1\u306b\u654f\u611f\u306a\u7d20\u6750\u3068\u306e\u78ba\u5b9f\u306a\u4e00\u4f53\u5316\u3092\u5fc5\u8981\u3068\u3059\u308b\u5de5\u696d\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n

 <\/h2>\n\n\n\n

\u71b1\u98a8\u71b1\u53ce\u7e2e\u8a66\u9a13\u6a5f\uff1a\u8a66\u9a13\u624b\u9806<\/h2>\n\n\n\n

\u306b\u3064\u3044\u3066 \u71b1\u98a8\u71b1\u53ce\u7e2e\u8a66\u9a13\u6a5f<\/strong><\/a> \u306fASTM D4974\u8a66\u9a13\u3092\u5b9f\u65bd\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u8a66\u9a13\u6a5f\u306f\u3001\u7cf8\u307e\u305f\u306f\u30b3\u30fc\u30c9\u306e\u8a66\u9a13\u7247\u3092\u3001\u6b63\u78ba\u306a\u5f35\u529b\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u5236\u5fa1\u3055\u308c\u305f\u4e7e\u71e5\u71b1\u306b\u3055\u3089\u3057\u307e\u3059\u3002\u53ce\u7e2e\u7387\u306f\u3001\u8a66\u6599\u304c\u6307\u5b9a\u3055\u308c\u305f\u6e29\u5ea6\u3067\u5f35\u529b\u3092\u4fdd\u3063\u305f\u307e\u307e\u3001\u30d1\u30fc\u30bb\u30f3\u30c8\u3067\u76f4\u63a5\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

ASTM D4974\u3067\u306f\u901a\u5e38\u3001\u7cf8\u3092177\u2103\u30672\u5206\u9593\u52a0\u71b1\u3057\u30011\u30c7\u30cb\u30fc\u30eb\u5f53\u305f\u308a0.05\u30b0\u30e9\u30e0\uff08gpd\uff09\u306e\u30d7\u30ec\u30c6\u30f3\u30b7\u30e7\u30f3\u3092\u304b\u3051\u307e\u3059\u3002\u53ce\u7e2e\u7387\u304c\u975e\u5e38\u306b\u4f4e\u3044\u7cf8\u306e\u5834\u5408\u306f\u3001\u3088\u308a\u6b63\u78ba\u306a\u6e2c\u5b9a\u306e\u305f\u3081\u306b0.01gpd\u306e\u4f4e\u3044\u30d7\u30ec\u30c6\u30f3\u30b7\u30e7\u30f3\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u30d7\u30ea\u30c6\u30f3\u30b7\u30e7\u30f3\u306e\u8abf\u6574\u306f\u53ce\u7e2e\u7387\u306e\u6e2c\u5b9a\u5024\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u3001\u4e00\u822c\u7684\u306b\u30d7\u30ea\u30c6\u30f3\u30b7\u30e7\u30f3\u5024\u3092\u9ad8\u304f\u3059\u308b\u3068\u6e2c\u5b9a\u3055\u308c\u308b\u53ce\u7e2e\u7387\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002.
\u3053\u306e\u8a66\u9a13\u65b9\u6cd5\u306b\u3088\u308a\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u7cf8\u3084\u30b3\u30fc\u30c9\u304c\u9ad8\u71b1\u6761\u4ef6\u4e0b\u3067\u3082\u7269\u7406\u7684\u5b89\u5b9a\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u3001\u52a0\u786b\u3084\u305d\u306e\u4ed6\u306e\u71b1\u51e6\u7406\u5de5\u7a0b\u3067\u4e88\u6e2c\u53ef\u80fd\u306a\u6027\u80fd\u3092\u78ba\u4fdd\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n


\u30c6\u30b9\u30c8\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3068\u8003\u5bdf<\/h2>\n\n\n\n

\u3059\u3079\u3066\u306e\u30e1\u30fc\u30ab\u30fc\u304cASTM D4974\u306b\u6b63\u78ba\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u8a66\u9a13\u6e29\u5ea6\u3001\u8a66\u9a13\u6642\u9593\u3001\u5f35\u529b\u306e\u9055\u3044\u306f\u53ce\u7e2e\u7387\u306e\u6e2c\u5b9a\u5024\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u7279\u5b9a\u306e\u8377\u91cd\u3092\u304b\u3051\u3066190\u2103\u306710\u5206\u9593\u8a66\u9a13\u3057\u305f\u7cf8\u3068\u3001ASTM D4974\u306e\u6761\u4ef6\u3067\u3042\u308b177\u2103\u30672\u5206\u9593\u8a66\u9a13\u3057\u305f\u7cf8\u3068\u3067\u306f\u3001\u7d50\u679c\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u9055\u3044\u304c\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e21\u7d20\u6750\u3092\u540c\u3058\u6761\u4ef6\u3067\u8a66\u9a13\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u71b1\u53ce\u7e2e\u7387\u306f\u307b\u307c\u540c\u3058\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.
\u878d\u70b9\u304c\u4f4e\u3044\u7d20\u6750\u3084\u8010\u71b1\u6027\u304c\u4f4e\u3044\u7d20\u6750\u3067\u306f\u3001\u7e4a\u7dad\u306e\u640d\u50b7\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u8a66\u9a13\u6761\u4ef6\u3092\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u53ce\u7e2e\u8a66\u9a13\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3057\u3070\u3057\u3070\u6750\u6599\u4ed5\u69d8\u66f8\u306b\u660e\u8a18\u3055\u308c\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u304c\u7d50\u679c\u3092\u6b63\u78ba\u306b\u6bd4\u8f03\u3057\u3001\u7528\u9014\u306b\u6700\u3082\u9069\u3057\u305f\u7cf8\u3092\u9078\u629e\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n

\u54c1\u8cea\u3068\u4fe1\u983c\u6027\u306e\u78ba\u4fdd<\/h2>\n\n\n\n

\u71b1\u98a8\u71b1\u53ce\u7e2e\u8a66\u9a13\u6a5f\u306e\u4f7f\u7528\u306f\u3001\u30e4\u30fc\u30f3\u3084\u30b3\u30fc\u30c9\u306e\u71b1\u5b89\u5b9a\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002ASTM D4974\u8a66\u9a13\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u88fd\u9020\u696d\u8005\u306f\u3001\u30b4\u30e0\u88fd\u54c1\u306e\u52a0\u786b\u306a\u3069\u306e\u9ad8\u6e29\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u3001\u6750\u6599\u304c\u5bf8\u6cd5\u3084\u6a5f\u68b0\u7684\u7279\u6027\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.
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