閲囩敤铻烘】鎿犲娉曞悎鎴愰珮寮�(qi谩ng)搴︾⒊绾栫董澧炲挤(qi谩ng)灏奸緧6寰�(f霉)鍚堟潗鏂�-鍏徃鍕�(d貌ng)鎱�(t脿i)-闈炲嚒澹�

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閲囩敤铻烘】鎿犲娉曞悎鎴愰珮寮�(qi谩ng)搴︾⒊绾栫董澧炲挤(qi谩ng)灏奸緧6寰�(f霉)鍚堟潗鏂�

2023-07-12

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鎵撳嵃妯d欢鐨勫姏瀛�(xu茅)鎬ц兘娓�(c猫)瑭︾祼(ji茅)鏋滃鍦�2鎵€绀�銆侾A6-25CF鐨勬姉鎷夊挤(qi谩ng)搴﹂仈(d谩)鍒�169.7MPa锛屾槸绱擯A6寮�(qi谩ng)搴�(54.1MPa)鐨�3.15鍊�锛岄€欑ó寮�(qi谩ng)搴︾洰鍓嶄篃鏄�3D鎵撳嵃鐭⒊绾栫董澧炲挤(qi谩ng)鑱氬悎鐗╁京(f霉)鍚堟潗鏂欎腑鏈€楂樼殑銆侾A6-25CF鐨勬渶楂樻姘忔ā閲忛仈(d谩)鍒�6.9GPa銆傞毃钁桟F鍚噺鐨勯€�(j矛n)涓€姝ュ鍔�锛孭A6-35CF鐨勬サ闄愬挤(qi谩ng)搴︾暐鏈変笅闄�锛岀偤160.8MPa锛屽鍦�2a鎵€绀�銆傝垏鎷変几瑭﹂(y脿n)椤炰技锛岀暥(d膩ng)CF鍚噺鐐�25wt%鏅�(sh铆)锛屽叾鎶楀綆寮�(qi谩ng)搴﹀拰妯¢噺鍧囬仈(d谩)鍒版渶澶у€�锛屽垎鍒ョ偤218.9MPa鍜�14.14GPa锛屽鍦�2b鎵€绀恒€傝€屽京(f霉)鍚堟潗鏂欑殑娌栨搳寮�(qi谩ng)搴﹂毃CF鍚噺鐨勫鍔犺€屽柈瑾�(di脿o)澧炲姞锛孭A6-35CF娌栨搳寮�(qi谩ng)搴﹀彲閬�(d谩)8.89kJ/m2(鍦�2c)銆傜偤浜嗚⿻(p铆ng)浼癙A6楂樻韩鎳�(y墨ng)鐢ㄤ笅鐨勫浐鏈夌啽绌�(w臎n)瀹氭€�锛屽皪(du矛)PA6-35CF寰�(f霉)鍚堟潗鏂欑殑鎷変几鎬ц兘鍦ㄩ珮婧笅閫�(j矛n)琛屼簡妾㈡脯(c猫)锛屽鍦�2d鎵€绀猴紝鏂疯鎳�(y墨ng)鍔涢毃钁楁韩搴︾殑鍗囬珮鑰岄檷浣庛€傜洝绠″姝�锛�3d鎵撳嵃鐨凱A6-35CF鍦�100鈩冧笅浠嶉’绀哄劒(y艒u)鑹殑寮�(qi谩ng)搴�(68.5MPa)锛岃垏PLA,ABS鍜孭C鍦ㄥ婧笅鐨勫挤(qi谩ng)搴︾浉鐣�(d膩ng)銆傞€欎竴鐧�(f膩)鐝�(xi脿n)琛ㄦ槑锛�3d鎵撳嵃鐨凱A6-CF寰�(f霉)鍚堟潗鏂欏彲鑳介仼鐢ㄤ簬鍚勭ó楂樻韩鎳�(y墨ng)鐢�銆�  

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鐢ㄦ巸鎻忛浕閺�(SEM)灏�(du矛)鎷変几鏂疯瑭︽ǎ鐨勬埅闈㈤€�(j矛n)琛屼簡琛ㄥ緛(鍦�3)銆傚湪PA6-15CF妯e搧(鍦�3a鍜宒)涓紝骞句箮鎵€鏈夌殑CF閮藉緢濂藉湴宓屽叆鍒拌仛鍚堢墿鍩洪珨涓�銆傚湪PA6-25CF(鍦�3b)涓�锛岃娓�(c猫)鍒版槑椤洿澶氱殑CF鍜屾媺浼告柗瑁傦紝PA6-25CF鐨勬櫘閬嶅瓨鍦ㄤ互鍙婄簴缍湪鎷変几浣滅敤涓嬫柗瑁傜殑澧炲姞鏈€绲傚皫(d菐o)鑷翠簡PA6-25CF瑭︿欢鐨勫挤(qi谩ng)搴﹀拰妯¢噺鐨勫鍔犮€傞€�(j矛n)涓€姝ュ鍔燙F鍚噺鍒癙A6-35CF(鍦�3c)鏅�(sh铆)锛屾媺鍑虹┖娲炲父琚摯(ku貌)澶х殑绌烘礊鎵€鍙栦唬锛屼笖CF琛ㄩ潰鐪嬭捣渚�(l谩i)鍏夋粦鍜屽共鍑堬紝琛ㄦ槑CF鑸嘝A6鍩洪珨娴告棘杓冨樊銆侾A6-35CF瑭︿欢涓湭娴告棘CF鐨勬壙杓夎兘鍔涗笅闄嶅彲鑳芥槸鍏舵姉鎷夊挤(qi谩ng)搴︿綆浜嶱A6-25CF鐨勯儴鍒嗗師鍥�銆傚井瑙€绲�(ji茅)妲�(g貌u)琛ㄥ緛鍜屽姏瀛�(xu茅)鎬ц兘閮借〃鏄�锛岀暥(d膩ng)CF鍚噺鍦�25wt%宸﹀彸鏅�(sh铆)锛屾渻(hu矛)鐢�(ch菐n)鐢熷挤(qi谩ng)鍖栭=鍜屾晥鎳�(y墨ng)锛屽叾涓敱杓冮珮CF鍚噺鎻愪緵鐨勫姏瀛�(xu茅)鏀瑰杽骞朵笉鑳借(b菙)鍎熻垏鍏�(n猫i)閮ㄧ己闄风浉闂�(gu膩n)鐨勭祼(ji茅)妲�(g貌u)寮卞寲鏁堟噳(y墨ng)锛堝杓冮珮鐨勫瓟闅欑巼鍜岃純宸殑娴告棘鐜囷級銆�  

鍦ㄦ湰鐮旂┒涓�锛屼娇鐢ㄨ灪鏃嬫摖澹�3D鎵撳嵃姗�(j墨)灏�(du矛)楂樺挤(qi谩ng)搴A6-CF寰�(f霉)鍚堟潗鏂欐ǎ浠堕€�(j矛n)琛屼簡鍒跺倷銆傜祼(ji茅)鏋滆〃鏄庯紝閫氶亷(gu貌)闀�(zh菐ng)涓斿潎鍕诲垎甯冪殑CF鐭簴缍鍔狅紝鍙互鍒跺倷鍏锋湁鐩哥暥(d膩ng)楂樻姉鎷夊挤(qi谩ng)搴︾殑寰�(f霉)鍚堟潗鏂�锛屾渶澶ф姉鎷夊挤(qi谩ng)搴﹂仈(d谩)鍒�169.7MPa銆傝┎鐮旂┒琛ㄦ槑锛屽埄鐢ㄨ灪妗挎摖澹撴柟娉曟墦鍗伴珮鎬ц兘PA6-CF鍏冧欢鍏锋湁寤i棅鐨勬經鍔涳紝閫欓爡(xi脿ng)鐮旂┒涔熺偤鍎�(y艒u)鍖栧嵃鍒峰伐钘濆拰闁嬬櫦(f膩)鏂扮殑寰�(f霉)鍚堝師鏂欐彁渚涗簡寤i棅鐨勬(j墨)鏈�(hu矛)銆�  

鍙冭€冩枃鐛�(xi脿n)锛�  

LiX.,HeJ.,HuZ.,etal.Highstrengthcarbon-fiberreinforcedpolyamide6compositesadditivelymanufacturedbyscrew-basedextrusion[J].Compositesscienceandtechnology,2022,229.


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